function check_required_fields()
{
	var fname=document.forms[0].fname.value;
	var lname=document.forms[0].lname.value;
	var email=document.forms[0].email.value;
	var phone=document.forms[0].phone.value;
	
	
	if(fname=='')
	{
		alert("First Name cannot be blank.");
		document.forms[0].fname.focus();
		return false;
	}
	if(lname=='')
	{
		alert("Last Name cannot be blank.");
		document.forms[0].lname.focus();
		return false;
	}
	if(email=='')
	{
		alert("Email Address cannot be blank.");
		document.forms[0].email.focus();
		return false;		
	}
	
	if(phone=='')
	{
		alert("Phone Number cannot be blank.");
		document.forms[0].phone.focus();
		return false;		
	}
	
	if(checkEmailReg()==true)
	{
	    return true;
	}
	else
	{
		alert("Invalid E-mail Address! Please re-enter.");
		return false;
	}
//document.sales_inq.submit();
    
}

    
    function checkEmailReg()
	{
		if (/^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$/.test(document.forms[0].email.value))
		{
			return (true)
		}
		document.forms[0].email.focus();
		//alert("Invalid E-mail Address! Please re-enter.")
		return (false)
	}