function check_email(){

	var email=document.feedbackForm.email.value;		   
	if(email.search(/^\w+((-\w+)|(\.\w+))*\@[A-Za-z0-9]+((\.|-)[A-Za-z0-9]+)*\.[A-Za-z0-9]+$/) == -1) 
	{
		
		return false;
	}
	else 
		return true;
}
function validate()
{
	var errorMessage="";
	if(document.feedbackForm.suggest.value==""){
		errorMessage="Suggestion is missing\n" + errorMessage;
 		document.feedbackForm.suggest.focus(); 
	} 
	if(!check_email()){
 		errorMessage="wrong email id.Enter in the format email@domainname.Something\n" + errorMessage;
 		document.feedbackForm.email.focus(); 
	}
	if(document.feedbackForm.name.value==""){
		errorMessage="Name is missing\n" + errorMessage;
 		document.feedbackForm.name.focus(); 
	}
	
	
	if(errorMessage==""){
	  
	   return true;
	}else{
		alert(errorMessage);
		event.returnValue = false; 
	}
}