function gebid(id)
{	return document.getElementById(id);}

function toggleDisplay(id)
{
	var elem = gebid(id);
	if(elem.style.display == '')
		elem.style.display = 'none';
	else
		elem.style.display = '';
}

//Function to validate E-mail address
function isValidEmail(str)
{	
	var regExp = /\w+([-+.]\w+)*@\w+([-.]\w+)*\.\w+([-.]\w+)*/;	
	return regExp.test(str);
}

function validateForm(f)
{
/*	var isValid = true;
	var message = "Have a look at the following data.\n\n";
	if(f.uname.value == ""){isValid = false; message += "* Name cannot be empty\n";}
	if(f.ucollege.value == ""){isValid = false; message += "* College name must be specified\n";}
	if(f.mob_no.value == ""){isValid = false; message += "* Your contact number is needed.\n";}
	else if( isNaN(f.mob_no.value)) {{isValid = false; message += "* Hey, thats not your contact number.\n";}} */
	
	if(!isValidEmail(f.email.value)) {isValid = false; message += "* The mail id you provided is invalid.\n";}
	if(isValid) return true;
	
	alert(message);
	return false;
}