function Get_Cookie( name ) 

{

          var start = document.cookie.indexOf( name + "=" );

          var len = start + name.length + 1;

          if ( ( !start ) && ( name != document.cookie.substring( 0, name.length ) ) )

          {

                   return null;     

          }

          if ( start == -1 ) 

                   return null;

          var end = document.cookie.indexOf( ";", len );

          if ( end == -1 ) 

                   end = document.cookie.length;

          return unescape( document.cookie.substring( len, end ) );

}


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){
		   alert("Invalid E-mail ID")
		   return false
		}

		if (str.indexOf(at)==-1 || str.indexOf(at)==0 || str.indexOf(at)==lstr){
		   alert("Invalid E-mail ID")
		   return false
		}

		if (str.indexOf(dot)==-1 || str.indexOf(dot)==0 || str.indexOf(dot)==lstr){
		    alert("Invalid E-mail ID")
		    return false
		}

		 if (str.indexOf(at,(lat+1))!=-1){
		    alert("Invalid E-mail ID")
		    return false
		 }

		 if (str.substring(lat-1,lat)==dot || str.substring(lat+1,lat+2)==dot){
		    alert("Invalid E-mail ID")
		    return false
		 }

		 if (str.indexOf(dot,(lat+2))==-1){
		    alert("Invalid E-mail ID")
		    return false
		 }
		
		 if (str.indexOf(" ")!=-1){
		    alert("Invalid E-mail ID")
		    return false
		 }

 		 return true					
	}
	

function chk(frm) {
 

    if(frm.name.value.search(/\S/) == -1) {
	
		alert("Name field can not be blank");
		frm.name.focus();
		return false;
	}
	if(frm.phone.value.search(/\S/) == -1) {
	
		alert("Please enter your phone");
		frm.phone.focus();
		return false;
	}
    if(frm.email.value.search(/\S/) == -1) {
	
		alert("Email field can not be blank");
		frm.email.focus();
		return false;
	}
	if(!echeck(frm.email.value)) {
	
		frm.email.focus();
		return false;
	}
    
	
	if(frm.captcha.value=="")
	{
		alert("Please enter your security code");
		frm.captcha.focus();
		return false;
	}
	if(Get_Cookie('_cookieCaptcha') != frm.captcha.value) {

                   alert("Security Code Mismatch");

                  frm.captcha.value ="";

                  frm.captcha.focus();

                   return false;

          }  
		  
 
	return true;
 }
 
 function fillme(frm,sfvalue) 
 {
	 //alert('hi');
	frm.software.value=sfvalue;
	document.cookie="software="+sfvalue;
	//alert(document.cookie);
 }