function isValidEmail(str)
{
	return (str.indexOf(".") > 2) && (str.indexOf("@") > 0);
}
function submitForm(f1)
{
	emailresult = isValidEmail(f1.Email.value);
	if(f1.Name.value=='')
	{
		alert("Please insert your Name");
		f1.Name.focus();
		return false;
	}
	else if(f1.Email.value=='')
	{
		
		alert("Please insert your E-mail Address");
		f1.Email.focus();
		return false;
	}
	else if(emailresult==false)
	{
		alert("Please insert valid email address");
		f1.Email.focus();
		return false;
	}
	else if(f1.Contact.value=='')
	{
		alert("Please insert your Contact Number");
		f1.Contact.focus();
		return false;
	}
	else if(f1.Name.value!='' && f1.Email.value!='' && f1.Contact.value!='')
	{
		return true;
	}
}

function clearfield(what)
{
	if(what.value=='Name')
	{	document.getElementById("Name").value = ""; }
	if(what.value=='E-mail Address')
	{	document.getElementById("Email").value = ""; }
	if(what.value=='Contact Number')
	{	document.getElementById("Contact").value = ""; }
}// JavaScript Document