// JavaScript Document

function validateEmpty(field, name)
{
	if(field.value == "")
	{
		alert(name + ' is required field');
		field.focus();
		return true;
	}
	
	return false;
}

function validateEmail(field)
{	
	//var reg = /^([A-Za-z0-9_\-\.])+\@([A-Za-z0-9_\-\.])+\.([A-Za-z]{2,4})$/;
	var reg = /^([A-Za-z0-9_\-\.])+\@(([A-Za-z0-9_\-])+\.)+([A-Za-z]{2,4})$/; // 
   	if(field.value != "" && reg.test(field.value) == false) 
	{
		field.select();		
      	alert('Please Enter a Valid Email Address');
		field.focus()
		return true
	}
	
	return false;
}

function formValidation(frm)
{				
	if(validateEmpty(frm.txtdate, 'Date')    ||
	   validateEmpty(frm.first_name, 'First Name')    ||
	   validateEmpty(frm.last_name, 'Last Name')    ||
	   validateEmpty(frm.phone, 'Telephone')    ||
    	validateEmpty(frm.email, 'Email') ||
		validateEmail(frm.email)          ||
		validateEmpty(frm.message, 'Message')
			)
		return false;
		
	return true;	
}