// JavaScript Document

function trim(str){
	   return str.replace(/^\s*|\s*$/g,"");
	}

function validateForm(frm){
	if(trim(frm.txtName.value)=="")
	{
		alert("Please fill in your name.");
		frm.txtName.focus();
		return false;
	}
	
	if(trim(frm.txtPhone.value)=="")
	{
		alert("Please fill in your phone number.");
		frm.txtPhone.focus();
		return false;
	}
	
	if(trim(frm.txtEmail.value)=="")
	{
		alert("Please fill in your email address.");
		frm.txtEmail.focus();
		return false;
	}
	
	if(trim(frm.txtEmail.value)!="")
	{
		var atpos=frm.txtEmail.value.indexOf('@');
		var dotpos=frm.txtEmail.value.lastIndexOf('.');
		if(atpos<1 || dotpos<2)
		{
			alert("Please enter a valid email address.");
			frm.txtEmail.select();
			frm.txtEmail.focus();
			return false;
		}
		
	}
	
}