function validate() {	
	
	valid = false;
	email = "";
	fname = "";
	lname = ""; 
	org = ""; 
	
	form = document.signup;
	
	if (form.email.value !=  ""){	 
		emailvalue = form.email.value;
		 at = emailvalue.indexOf('@');
         dot = emailvalue.indexOf('.');
         
		 
         if(at == -1 || dot == -1 || dot == 0 || dot == emailvalue.length - 1) {
			form.email.style.border = "1px solid red";
			email = "Please enter a valid Email Address" + "\r\n";
			valid = false;  		
		}
    }
	
	else {
		form.email.style.border = "1px solid red";
		email = "Please enter an Email Address" + "\r\n";
		valid = false;  
	}
	
	if (form.fname.value ==  ""){
		form.fname.style.border = "1px solid red";
		fname = "Please enter your First Name" + "\r\n";	
	}
	
	if (form.lname.value ==  ""){
		form.lname.style.border = "1px solid red";
		lname = "Please enter your Last Name" + "\r\n";	
	}
	
	if (form.org.value ==  ""){
		form.org.style.border = "1px solid red";
		org = "Please enter your Organization" + "\r\n";	
	}
	
	if (email != "" || lname != "" || fname != "" || org != "") {
		alert(fname + lname + email + org);
		valid = false;
	}
	
	else {
		valid = true;
	}
	
	return valid;
}