var maxwords = 240;  

function payment(f) {
	var error = ""

	var fld = document.form1.x_Card_Num;
	myCardNo = document.form1.x_Card_Num.value;
	myCardType = document.form1.x_Card_Name.value;
	
	if (!checkCreditCard (myCardNo,myCardType)) {
		Sexy.alert(ccErrors[ccErrorNo]);
		return false;
	}
	else
	{
			
	var fld = document.form1.x_Exp_Date_m;
	if (fld.value == "") {
		error= error+"<p>- Please enter expiry month of your card.</p>";
	}
	
	
	var fld = document.form1.first_name;
	if (fld.value == "") {
		error= error+"<p>- Please enter your first name.</p>";
	}
	var fld = document.form1.last_name;
	if (fld.value == "") {
		error= error+"<p>- Please enter your last name.</p>";
	}	
	var fld = document.form1.address1;
	if (fld.value == "") {
		error= error+"<p>- Please enter your billing address.</p>";
	}
	
	var fld = document.form1.city;
	if (fld.value == "") {
		error= error+"<p>- Please enter your your city.</p>";
	}

	var fld = document.form1.state;
	if (fld.value == "") {
		error= error+"<p>- Please enter your your state.</p>";
	}
	
	var fld = document.form1.zipcode;
	if (fld.value == "") {
		error= error+"<p>- Please enter your your zip code.</p>";
	}
	
	var fld = document.form1.country;
	if (fld.value == "") {
		error= error+"<p>- Please enter your your country.</p>";
	}
	}
	var fld = document.form1.accept;
	if (fld.checked == 0) {
		error = error+"<p>- Please accept our terms & conditions before proceeding with the payment.</p>";
	}
	if(error=="")
	{
		var fld = document.form1.submitbtn;
		fld.value = "Please wait while our merchant is being contacted....";
		fld.disabled = true ;
		return true;
	}
	else
		Sexy.error(error);
		return false;
};



var ccErrorNo = 0;
var ccErrors = new Array ()

ccErrors [0] = "Unknown card type";
ccErrors [1] = "No card number provided";
ccErrors [2] = "Credit card number is in invalid format";
ccErrors [3] = "Credit card number is invalid";
ccErrors [4] = "Credit card number has an inappropriate number of digits";

function checkCreditCard (cardnumber, cardname) {
     
  // Array to hold the permitted card characteristics
  var cards = new Array();

  // Define the cards we support. You may add addtional card types.
  
  //  Name:      As in the selection box of the form - must be same as user's
  //  Length:    List of possible valid lengths of the card number for the card
  //  prefixes:  List of possible prefixes for the card
  //  checkdigit Boolean to say whether there is a check digit
  
  cards [0] = {name: "Visa", 
               length: "13,16", 
               prefixes: "4",
               checkdigit: true};
  cards [1] = {name: "MasterCard", 
               length: "16", 
               prefixes: "51,52,53,54,55",
               checkdigit: true};
  cards [2] = {name: "DinersClub", 
               length: "14,16", 
               prefixes: "305, 36, 38, 54,55",
               checkdigit: true};
  cards [3] = {name: "CarteBlanche", 
               length: "14", 
               prefixes: "300,301,302,303,304,305",
               checkdigit: true};
  cards [4] = {name: "AmEx", 
               length: "15", 
               prefixes: "34,37",
               checkdigit: true};
  cards [5] = {name: "Discover", 
               length: "16", 
               prefixes: "6011,622,64,65",
               checkdigit: true};
  cards [6] = {name: "JCB", 
               length: "16", 
               prefixes: "35",
               checkdigit: true};
  cards [7] = {name: "enRoute", 
               length: "15", 
               prefixes: "2014,2149",
               checkdigit: true};
  cards [8] = {name: "Solo", 
               length: "16,18,19", 
               prefixes: "6334, 6767",
               checkdigit: true};
  cards [9] = {name: "Switch", 
               length: "16,18,19", 
               prefixes: "4903,4905,4911,4936,564182,633110,6333,6759",
               checkdigit: true};
  cards [10] = {name: "Maestro", 
               length: "12,13,14,15,16,18,19", 
               prefixes: "5018,5020,5038,6304,6759,6761",
               checkdigit: true};
  cards [11] = {name: "VisaElectron", 
               length: "16", 
               prefixes: "417500,4917,4913,4508,4844",
               checkdigit: true};
  cards [12] = {name: "LaserCard", 
               length: "16,17,18,19", 
               prefixes: "6304,6706,6771,6709",
               checkdigit: true};
               
  // Establish card type
  var cardType = -1;
  for (var i=0; i<cards.length; i++) {

    // See if it is this card (ignoring the case of the string)
    if (cardname.toLowerCase () == cards[i].name.toLowerCase()) {
      cardType = i;
      break;
    }
  }
  
  // If card type not found, report an error
  if (cardType == -1) {
     ccErrorNo = 0;
     return false; 
  }
   
  // Ensure that the user has provided a credit card number
  if (cardnumber.length == 0)  {
     ccErrorNo = 1;
     return false; 
  }
    
  // Now remove any spaces from the credit card number
  cardnumber = cardnumber.replace (/\s/g, "");
  
  // Check that the number is numeric
  var cardNo = cardnumber
  var cardexp = /^[0-9]{13,19}$/;
  if (!cardexp.exec(cardNo))  {
     ccErrorNo = 2;
     return false; 
  }
       
  // Now check the modulus 10 check digit - if required
  if (cards[cardType].checkdigit) {
    var checksum = 0;                                  // running checksum total
    var mychar = "";                                   // next char to process
    var j = 1;                                         // takes value of 1 or 2
  
    // Process each digit one by one starting at the right
    var calc;
    for (i = cardNo.length - 1; i >= 0; i--) {
    
      // Extract the next digit and multiply by 1 or 2 on alternative digits.
      calc = Number(cardNo.charAt(i)) * j;
    
      // If the result is in two digits add 1 to the checksum total
      if (calc > 9) {
        checksum = checksum + 1;
        calc = calc - 10;
      }
    
      // Add the units element to the checksum total
      checksum = checksum + calc;
    
      // Switch the value of j
      if (j ==1) {j = 2} else {j = 1};
    } 
  
    // All done - if checksum is divisible by 10, it is a valid modulus 10.
    // If not, report an error.
    if (checksum % 10 != 0)  {
     ccErrorNo = 3;
     return false; 
    }
  }  

  // The following are the card-specific checks we undertake.
  var LengthValid = false;
  var PrefixValid = false; 
  var undefined; 

  // We use these for holding the valid lengths and prefixes of a card type
  var prefix = new Array ();
  var lengths = new Array ();
    
  // Load an array with the valid prefixes for this card
  prefix = cards[cardType].prefixes.split(",");
      
  // Now see if any of them match what we have in the card number
  for (i=0; i<prefix.length; i++) {
    var exp = new RegExp ("^" + prefix[i]);
    if (exp.test (cardNo)) PrefixValid = true;
  }
      
  // If it isn't a valid prefix there's no point at looking at the length
  if (!PrefixValid) {
     ccErrorNo = 3;
     return false; 
  }
    
  // See if the length is valid for this card
  lengths = cards[cardType].length.split(",");
  for (j=0; j<lengths.length; j++) {
    if (cardNo.length == lengths[j]) LengthValid = true;
  }
  
  // See if all is OK by seeing if the length was valid. We only check the 
  // length if all else was hunky dory.
  if (!LengthValid) {
     ccErrorNo = 4;
     return false; 
  };   
  
  // The credit card is in the required format.
  return true;
}









function postinvention(f) {
	var error = ""
	var fld = document.form1.title;
	
	var total_clicked = 0;

	$(":checkbox[name$='category[]']").each(function(i){
				
		var clicked = $(this).attr("checked");
		if(clicked)
		{
			total_clicked++;
		}

	});
	
	if (total_clicked == 0) {
		error= error+"<p>- Please select at least one category.</p>";
	}

	if (fld.value == "") {
		error= error+"<p>- Title can't be left blank.</p>";
	}
	var fld = document.form1.overview;
	if (fld.value == "") {
		error= error+"<p>- Invention/Technology overview can't be left blank.</p>";
	}

	var fld = document.form1.benefits;
	if (fld.value == "") {
		error= error+"<p>- Novelty/Benefits can't be left blank.</p>";
	}
	

	for (var i=0; i<document.form1.status_of_ip_id.length; i++) {
	if (document.form1.status_of_ip_id[i].checked) {
	status_of_ip_id = document.form1.status_of_ip_id[i].value;

	if(status_of_ip_id =="4")
	{
		if (document.form1.patent_number.value == "") {
		error= error+"<p>- For patents issued, you must enter your patent number.</p>";
	}
	
}
	}
	}
	
	var fld = document.form1.image;
	if(fld.value !="")
	{
		if(fld.value.lastIndexOf(".jpg") >=1 || fld.value.lastIndexOf(".jpeg") >=1 || fld.value.lastIndexOf(".JPG") >=1 || fld.value.lastIndexOf(".GIF") >=1 || fld.value.lastIndexOf(".gif") >=1)
		{
		}
		else
		{
			Sexy.alert("Image Upload 1: You can only upload JPG and GIF image files.");
			return false;
		}
	}
	
	var fld = document.form1.image2;
	if(fld.value !="")
	{
		if(fld.value.lastIndexOf(".jpg") >=1 || fld.value.lastIndexOf(".jpeg") >=1 || fld.value.lastIndexOf(".JPG") >=1 || fld.value.lastIndexOf(".GIF") >=1 || fld.value.lastIndexOf(".gif") >=1)
		{
		}
		else
		{
			Sexy.alert("Image Upload 2: You can only upload JPG and GIF image files.");
			return false;
		}
	}
	
	
	var fld = document.form1.image3;
	if(fld.value !="")
	{
		if(fld.value.lastIndexOf(".jpg") >=1 || fld.value.lastIndexOf(".jpeg") >=1 || fld.value.lastIndexOf(".JPG") >=1 || fld.value.lastIndexOf(".GIF") >=1 || fld.value.lastIndexOf(".gif") >=1)
		{
		}
		else
		{
			Sexy.alert("Image Upload 3: You can only upload JPG and GIF image files.");
			return false;
		}
	}
	
	var fld = document.form1.image4;
	if(fld.value !="")
	{
		if(fld.value.lastIndexOf(".jpg") >=1 || fld.value.lastIndexOf(".jpeg") >=1 || fld.value.lastIndexOf(".JPG") >=1 || fld.value.lastIndexOf(".GIF") >=1 || fld.value.lastIndexOf(".gif") >=1)
		{
		}
		else
		{
			Sexy.alert("Image Upload 4: You can only upload JPG and GIF image files.");
			return false;
		}
	}
	
	if(error=="")
		return true;
	else
		Sexy.error(error);
		return false;
};




function postinvention_for_ps(f) {
	var error = ""
	var fld = document.form1.title;
	
	if (fld.value == "") {
		error= error+"<p>- Title can't be left blank.</p>";
	}
	var fld = document.form1.overview;
	if (fld.value == "") {
		error= error+"<p>- Invention/Technology overview can't be left blank.</p>";
	}

	var fld = document.form1.benefits;
	if (fld.value == "") {
		error= error+"<p>- Novelty/Benefits can't be left blank.</p>";
	}
	

	for (var i=0; i<document.form1.status_of_ip_id.length; i++) {
	if (document.form1.status_of_ip_id[i].checked) {
	status_of_ip_id = document.form1.status_of_ip_id[i].value;

	if(status_of_ip_id =="4")
	{
		if (document.form1.patent_number.value == "") {
		error= error+"<p>- For patents issued, you must enter your patent number.</p>";
	}
	
}
	}
	}
	
	var fld = document.form1.image;
	if(fld.value !="")
	{
		if(fld.value.lastIndexOf(".jpg") >=1 || fld.value.lastIndexOf(".jpeg") >=1 || fld.value.lastIndexOf(".JPG") >=1 || fld.value.lastIndexOf(".GIF") >=1 || fld.value.lastIndexOf(".gif") >=1 || fld.value.lastIndexOf(".PNG") >=1 || fld.value.lastIndexOf(".png") >=1 || fld.value.lastIndexOf(".TIFF") >=1 || fld.value.lastIndexOf(".tiff") >=1 || fld.value.lastIndexOf(".BMP") >=1 || fld.value.lastIndexOf(".bmp") >=1 || fld.value.lastIndexOf(".doc") >=1 || fld.value.lastIndexOf(".DOC") >=1 || fld.value.lastIndexOf(".docx") >=1 || fld.value.lastIndexOf(".DOCX") >=1 || fld.value.lastIndexOf(".pdf") >=1 || fld.value.lastIndexOf(".PDF") >=1 || fld.value.lastIndexOf(".PPT") >=1 || fld.value.lastIndexOf(".ppt") >=1 || fld.value.lastIndexOf(".XLS") >=1 || fld.value.lastIndexOf(".xls") >=1 || fld.value.lastIndexOf(".RTF") >=1 || fld.value.lastIndexOf(".rtf") >=1 || fld.value.lastIndexOf(".wps") >=1 || fld.value.lastIndexOf(".WPS") >=1 || fld.value.lastIndexOf(".WPD") >=1 || fld.value.lastIndexOf(".wpd") >=1 || fld.value.lastIndexOf(".txt") >=1 || fld.value.lastIndexOf(".TXT") >=1 || fld.value.lastIndexOf(".mov") >=1 || fld.value.lastIndexOf(".MOV") >=1 || fld.value.lastIndexOf(".AVI") >=1 || fld.value.lastIndexOf(".avi") >=1 || fld.value.lastIndexOf(".MPG") >=1 || fld.value.lastIndexOf(".mpg") >=1 || fld.value.lastIndexOf(".AVI") >=1 || fld.value.lastIndexOf(".AVI") >=1 || fld.value.lastIndexOf(".AVI") >=1 || fld.value.lastIndexOf(".WMV") >=1 || fld.value.lastIndexOf(".wmv") >=1 || fld.value.lastIndexOf(".WAV") >=1 || fld.value.lastIndexOf(".wav") >=1 || fld.value.lastIndexOf(".swf") >=1 || fld.value.lastIndexOf(".HTML") >=1 || fld.value.lastIndexOf(".html") >=1 || fld.value.lastIndexOf(".SWF") >=1 || fld.value.lastIndexOf(".htm") >=1 || fld.value.lastIndexOf(".HTM") >=1 || fld.value.lastIndexOf(".fla") >=1 || fld.value.lastIndexOf(".FLA") >=1)
		{
		}
		else
		{
			Sexy.alert("File Upload 1: You can only upload JPG, GIF, PNG, TIFF, BMP, DOC, DOCX, PDF, PPT, XLS, RTF, WPS, WPD, TXT, MOV, AVI, MPG, WMV, WAV, SWF, HTM, FLA files.");
			return false;
		}
	}
	
		var fld = document.form1.image2;
	if(fld.value !="")
	{
		if(fld.value.lastIndexOf(".jpg") >=1 || fld.value.lastIndexOf(".jpeg") >=1 || fld.value.lastIndexOf(".JPG") >=1 || fld.value.lastIndexOf(".GIF") >=1 || fld.value.lastIndexOf(".gif") >=1 || fld.value.lastIndexOf(".PNG") >=1 || fld.value.lastIndexOf(".png") >=1 || fld.value.lastIndexOf(".TIFF") >=1 || fld.value.lastIndexOf(".tiff") >=1 || fld.value.lastIndexOf(".BMP") >=1 || fld.value.lastIndexOf(".bmp") >=1 || fld.value.lastIndexOf(".doc") >=1 || fld.value.lastIndexOf(".DOC") >=1 || fld.value.lastIndexOf(".docx") >=1 || fld.value.lastIndexOf(".DOCX") >=1 || fld.value.lastIndexOf(".pdf") >=1 || fld.value.lastIndexOf(".PDF") >=1 || fld.value.lastIndexOf(".PPT") >=1 || fld.value.lastIndexOf(".ppt") >=1 || fld.value.lastIndexOf(".XLS") >=1 || fld.value.lastIndexOf(".xls") >=1 || fld.value.lastIndexOf(".RTF") >=1 || fld.value.lastIndexOf(".rtf") >=1 || fld.value.lastIndexOf(".wps") >=1 || fld.value.lastIndexOf(".WPS") >=1 || fld.value.lastIndexOf(".WPD") >=1 || fld.value.lastIndexOf(".wpd") >=1 || fld.value.lastIndexOf(".txt") >=1 || fld.value.lastIndexOf(".TXT") >=1 || fld.value.lastIndexOf(".mov") >=1 || fld.value.lastIndexOf(".MOV") >=1 || fld.value.lastIndexOf(".AVI") >=1 || fld.value.lastIndexOf(".avi") >=1 || fld.value.lastIndexOf(".MPG") >=1 || fld.value.lastIndexOf(".mpg") >=1 || fld.value.lastIndexOf(".AVI") >=1 || fld.value.lastIndexOf(".AVI") >=1 || fld.value.lastIndexOf(".AVI") >=1 || fld.value.lastIndexOf(".WMV") >=1 || fld.value.lastIndexOf(".wmv") >=1 || fld.value.lastIndexOf(".WAV") >=1 || fld.value.lastIndexOf(".wav") >=1 || fld.value.lastIndexOf(".swf") >=1 || fld.value.lastIndexOf(".HTML") >=1 || fld.value.lastIndexOf(".html") >=1 || fld.value.lastIndexOf(".SWF") >=1 || fld.value.lastIndexOf(".htm") >=1 || fld.value.lastIndexOf(".HTM") >=1 || fld.value.lastIndexOf(".fla") >=1 || fld.value.lastIndexOf(".FLA") >=1)
		{
		}
		else
		{
			Sexy.alert("File Upload 2: You can only upload JPG, GIF, PNG, TIFF, BMP, DOC, DOCX, PDF, PPT, XLS, RTF, WPS, WPD, TXT, MOV, AVI, MPG, WMV, WAV, SWF, HTM, FLA files.");
			return false;
		}
	}

	if(error=="")
		return true;
	else
		Sexy.error(error);
		return false;
};



function check_length(obj, cnt, rem)  
{  
    var ary = obj.value.split("");  
    var len = ary.length;  
    cnt.innerHTML = len;  
    rem.innerHTML = maxwords - len;  
    if (len > maxwords) {  
        alert("You can only use 240 characters in short description.");  
        ary = ary.slice(0,maxwords-1);  
        obj.value = ary.join("");  
        cnt.innerHTML = maxwords;  
        rem.innerHTML = 0;  
        return false;  
    }  
    return true;  
}  
function getXMLHTTP() { //fuction to return the xml http object
	var xmlhttp=false;	
	try{
		xmlhttp=new XMLHttpRequest();
	}
	catch(e)	{		
		try{			
			xmlhttp= new ActiveXObject("Microsoft.XMLHTTP");
		}
		catch(e){
			try{
			xmlhttp = new ActiveXObject("Msxml2.XMLHTTP");
			}
			catch(e1){
				xmlhttp=false;
			}
		}
	}
		
	return xmlhttp;
}




function echeck(str) {

		var at="@"
		var dot="."
		var lat=str.indexOf(at)
		var lstr=str.length
		var ldot=str.indexOf(dot)
		if (str.indexOf(at)==-1){
		   Sexy.error("Invalid email address.")
		   return false
		}

		if (str.indexOf(at)==-1 || str.indexOf(at)==0 || str.indexOf(at)==lstr){
		   Sexy.error("Invalid email address.")
		   return false
		}

		if (str.indexOf(dot)==-1 || str.indexOf(dot)==0 || str.indexOf(dot)==lstr){
		   Sexy.error("Invalid email address.")
		    return false
		}

		 if (str.indexOf(at,(lat+1))!=-1){
		   Sexy.error("Invalid email address.")
		    return false
		 }

		 if (str.substring(lat-1,lat)==dot || str.substring(lat+1,lat+2)==dot){
		   Sexy.error("Invalid email address.")
		    return false
		 }

		 if (str.indexOf(dot,(lat+2))==-1){
		   Sexy.error("Invalid email address.")
		    return false
		 }
		
		 if (str.indexOf(" ")!=-1){
		   Sexy.error("Invalid email address.")
		    return false
		 }

 		 return true					
	}
	
function signupform(f) {
	var error = ""
	var fld = document.form1.first_name;
	if (fld.value == "") {
		error = error+"<p>- Please enter your full name.</p>";
	}
	

	
	var fld = document.form1.email;
	if (fld.value == "") {
		error = error+"<p>- Please enter your email address.</p>";
	}
	else
	{
		var emailID=fld;
		if (echeck(emailID.value)==false){
			emailID.value=""
			return false;
		}
	}
	
	
	var fld = document.form1.pass;
	if (fld.value == "") {
		error = error+"<p>- Please enter your password.</p>";
	}
		var fld = document.form1.pass2;
	if (fld.value == "") {
		error = error+"<p>- Please re-enter your password.</p>";
	}
	
	if(document.form1.pass.value != document.form1.pass2.value)
	{
		error = error+"<p>- Your passwords doesn't match. Please try again.</p>";
	}
	
	var fld = document.form1.captcha;
	if (fld.value == "") {
		error = error+"<p>- Please enter the numeric digits from the captcha image.</p>";
	}
	
	
	var fld = document.form1.accept;
	if (fld.checked == 0) {
		error = error+"<p>- You should accept our terms & conditions before becoming our member.</p>";
	}
	
	
	var fld = document.form1.email_check;
	if (fld.value == 1) {
		error = error+"<p>- The email address already exists.</p>";
	}
	var fld = document.form1.username_check;
	if (fld.value == 1) {
		error = error+"<p>- The username already exists.</p>";
	}

	if(error=="")
		return true;
	else
		Sexy.error(error);
		return false;

};

//Login

function loginform(f) {
	var error = "";
	var fld = document.form2.email;
	if (fld.value == "") {
		error = error+"<p>- Please enter your email address.</p>";
	}
	else
	{
		var emailID=fld;
		if (echeck(emailID.value)==false){
			emailID.value=""
			emailID.focus()
			return false;
		}
	}
	
	
	var fld = document.form2.pass;
	if (fld.value == "") {
		error = error+"<p>- Please enter your password.</P>";
	}

	if(error=="")
		return true;
	else
		Sexy.alert(error);
		return false;

};

function forgotform(f) {
	
	var fld = document.form2.email;
	if (fld.value == "") {
		Sexy.alert("- Please enter your email address.");
		return false;
	}
	else
	{
		var emailID=fld;
		if (echeck(emailID.value)==false){
			emailID.value=""
			emailID.focus()
			return false;
		}
	}
	


};

function invite(f) {
	

	var fld = document.form1.email;
	if (fld.value == "") {
		Sexy.alert("- Please enter your friend email address.");
		return false;
	}
	else
	{
		var emailID=fld;
		if (echeck(emailID.value)==false){
			emailID.value=""
			emailID.focus()
			return false;
		}
	}
	
};

function contactUs(f) {
	
	var error ="";
	var fld = document.form1.name;
	if (fld.value == "") {
		error = error+"<p>- Please enter your name.</p>";
	}

	var fld = document.form1.email_address;
	if (fld.value == "") {
		error = error+"<p>- Please enter your email address.</p>";
	}
	else
	{
		var emailID=fld;
		if (echeck(emailID.value)==false){
			emailID.value=""
			emailID.focus()
			return false;
		}
	}
	var fld = document.form1.email_subject;
	if (fld.value == "") {
		error = error+"<p>- Please enter the email subject.</p>";
	}
	
	var fld = document.form1.email_message;
	if (fld.value == "") {
		error = error+"<p>- Message field is blank. Please type your message.</p>";
	}
	
	if(error=="")
		return true;
	else
		Sexy.alert(error);
		return false;


	
};



function contactInventor(f) {
	
	var fld = document.form1.name;
	if (fld.value == "") {
		Sexy.alert("- Please enter your name.");
		return false;
	}
	
	
	var fld = document.form1.email_address;
	if (fld.value == "") {
		Sexy.alert("- Please enter your email address.");
		return false;
	}
	else
	{
		var emailID=fld;
		if (echeck(emailID.value)==false){
			emailID.value=""
			emailID.focus()
			return false;
		}
	}
	
	var fld = document.form1.email_message;
	if (fld.value == "") {
		Sexy.alert("- The message field is blank.");
		return false;
	}
	
};


function forgotform1(f) {
	
	var fld = document.form3.password;
	if (fld.value == "") {
		Sexy.alert("- Please enter your new password.");
		fld.focus();
		return false;
	}


};