//
var urlRegxp=/^(http:\/\/www.|https:\/\/www.|ftp:\/\/www.|www.){1}([\w]+)(.[\w]+)(((\/)?)([\w]*)){0,}((\/))([\w]+.)(jpg|jpeg|bmp|gif|png){1}$/;
var email_valid = /^([\w-]+(?:\.[\w-]+)*@(?:[\w-]+\.)+[a-zA-Z]{2,7}(\,){0,1})+$/;
var email_valid_one = /^[\w-]+(?:\.[\w-]+)*@(?:[\w-]+\.)+[a-zA-Z]{2,7}$/;
var valideurl=/^([\w-]+(?:\.[\w-]+)*)@((?:[\w-]+\.)*\w[\w-]{0,66})\.([a-z]{2,6}(?:\.[a-z]{2})?)$/;
var nums=/^[0-9\.]+$/;
var validname=/^[a-zA-Z \\]+$/;
var validchar=/^[a-zA-Z0-9]+$/;
/* empty checking */
function emptyChk(fld)
{
	 var emt=/^[\S]+$/;
	 if(!emt.exec(fld))
	 	return false;
	 else
	 	return true;
}
/* end of empty checking */
function chk_frm(frm)
{
	if(!emptyChk(frm.title.value))
	{
		alert("Please enter the Title");
		frm.title.select();
		return false;
	}
	if(!validname.exec(frm.fname.value))
	{
			alert("Please enter your first name (Only Alphabate)");
			frm.fname.select();
			return false;
	}
	if(!validname.exec(frm.sname.value))
	{
			alert("Please enter your surname name (Only Alphabate)");
			frm.sname.select();
			return false;
	}
	if(!validchar.exec(frm.street.value))
	{
			alert("Please enter the street name (Only Alphanumeric)");
			frm.street.select();
			return false;
	}
	if(!email_valid.exec(frm.email.value))
	{
		alert("Please enter a valid Email Address");
		frm.email.select();
		return false;
	}
	if(!nums.exec(frm.tel.value))
	{
			alert("Please enter Telephone number in numeric value");
			frm.tel.select();
			return false;
	}
	if(!nums.exec(frm.mob.value))
	{
			alert("Please enter Mobile number in numeric value");
			frm.mob.select();
			return false;
	}
	if(!nums.exec(frm.amt.value))
	{
			alert("Please enter Amount in numeric value");
			frm.amt.select();
			return false;
	}
}
// end of 
// function for checking the support form
function Chk_support(frm)
{
	if(!validname.exec(frm.Name.value))
	{
			alert("Please enter your first name (Only Alphabate)");
			frm.Name.select();
			return false;
	}
	if(!email_valid.exec(frm.Email.value))
	{
		alert("Please enter a valid Email Address");
		frm.Email.select();
		return false;
	}
	if(!emptyChk(frm.Phone.value))
	{
		alert("Please enter the Title");
		frm.Phone.select();
		return false;
	}
	if(!emptyChk(frm.Address.value))
	{
		alert("Please enter your Address");
		frm.Address.select();
		return false;
	}
	if(!emptyChk(frm.Comment.value))
	{
		alert("Please enter your Comment");
		frm.Comment.select();
		return false;
	}
}
// function for checking tellafriend
function telfrndvalid(frm)
{
	if(!email_valid.exec(frm.frndemail.value))
	{
		alert("Please enter valid Email Address.");
		frm.frndemail.select();
		return false;
	}
	if(!validname.exec(frm.name.value))
	{
			alert("Please enter your Name (Only Alphabate).");
			frm.name.select();
			return false;
	}
	if(!email_valid.exec(frm.email.value))
	{
		alert("Please enter a valid Email Address.");
		frm.email.select();
		return false;
	}
	if(!emptyChk(frm.notes.value))
	{
		alert("Please enter your Notes.");
		frm.notes.select();
		return false;
	}
}
/// function for newsletter
function chk_news(frm)
{
	if(!email_valid_one.exec(frm.Email.value))
	{
		alert("Please enter a valid Email Address.");
		frm.Email.select();
		return false;
	}
}
function chk_opt()
{
	if(form1.chk1[1].checked)
	{
		form1.cnum.disabled=false;
		form1.expe.disabled=false;
		form1.cnum.select();
	}else{
		form1.cnum.disabled=true;
		form1.expe.disabled=true;
	}
}