function echeck(value) {
var re = new RegExp(/^[_a-z0-9-]+(\.[_a-z0-9-]+)*@[a-z0-9-]+(\.[a-z0-9-]+)*(\.[a-z]{2,3})$/i);

if (re.test(value)) {
     return true;
} 
else{ 
     return false;
} 

}

function submitingdetails(){

  var flag = true;
  	
		
if( (document.sform.sname.value == "") || (document.sform.sname.value == "Enter Name") || (document.sform.sname.value == "Name") )
 {
   document.sform.sname.style.color ="red";
   document.sform.sname.value = "Enter Name";		
   flag  = false;		
}

if( (document.sform.semail.value == "") || (document.sform.semail.value == "Enter Email Address") )
{
document.sform.semail.style.color ="red";
document.sform.semail.value = "Enter Email Address";		
flag  = false;		
}

	
else
{
	

if( (!echeck(document.sform.semail.value)) || (document.sform.semail.value == "Enter Valid Email") )
{
		
document.sform.semail.style.color ="red";
document.sform.semail.value = "Enter Valid Email";
document.sform.semail.focus();
			
flag  = false;
			
 }	
}
	
   if(flag ==  true){
	 
     getTrackEmails(document.sform.sname.value,document.sform.semail.value);	  
   }

}

function changecolor(id){

if(id == 1){	
	if((document.sform.sname.value == "Enter Name") || (document.sform.sname.value == "Name")){	
		 document.sform.sname.style.color = "white";
		 document.sform.sname.value = "";  	
	}
}


if(id == 2){	

	if((document.sform.semail.value == "Enter Email Address") || (document.sform.semail.value == "Enter Valid Email") ||
	(document.sform.semail.value == "Email")){		
		 document.sform.semail.style.color = "white";
		 document.sform.semail.value = "";  			 
	}
	
}



}