// JavaScript Document

var pattern=/^([a-zA-Z0-9_.-])+@([a-zA-Z0-9_.-])+\.([a-zA-Z])+([a-zA-Z])+/;
function cont_form()
{
	if(document.frm.first_name.value=='')
	{
		alert("Please Enter Your Name.");
		document.frm.first_name.focus();
	}
	else if(document.frm.email.value=='')
	{
		alert("Please Enter Your E-Mail ID.");
		document.frm.email.focus();
	}
	else if(!pattern.test(document.frm.email.value))
	{
		alert("Please Enter Valid E-Mail ID.");
		document.frm.email.focus();
	} 
	else if(document.frm.telephone.value=='')
	{
		alert("Please Enter Your Contact Number.");
		document.frm.telephone.focus();
	}
	else if(isNaN(document.frm.telephone.value))
	{
	alert("Please Enter Numbers Only.");
	document.frm.telephone.focus();
	}
	
	else if(document.frm.service.value=='')
	{
		alert("Please Enter Your Services.");
		document.frm.service.focus();
	}
	else if(document.frm.comment.value=='')
	{
		alert("Please Enter Your Comment.");
		document.frm.comment.focus();
	}
	else
	{
		alert(" Thank you for your enquiry.");
		document.frm.submit();
	}
}