//##########################################
function checkForm(frm)
{
	var msg = "";
	
	if(frm.Name.value == "")
		msg += "\n   Your name.     ";
 //if(frm.address.value == "")
// 	msg += "\n   Your address     ";
	if(frm.Email.value == "" || (!isEmail(frm.Email.value)))
		msg += "\n   A valid Email address     ";
//	if(frm.telephone.value == "" ||  (!is_number(frm.telephone.value)))
	//	msg += "\n   A valid telephone number     ";
 if(frm.captcha.value == "")
	msg += "\n   The security code shown in the image     ";
	
	if(msg != ""){
		alert("Please supply the following:     \n" + msg);
		return false;
	}else{
		return true;
	}
}
 
//####################  TELEPHONE FUNCTION  #########
function is_number(num)
{
	var supported = 0;
	if (window.RegExp) {
		var r1 = new RegExp("[^0-9 ]");
		return (!r1.test(num))
	}
}

//####################  EMAIL FUNCTION  ###############
function isEmail(str) {
	// are regular expressions supported?
	var supported = 0;
	if (window.RegExp) {
		var tempStr = "a";
		var tempReg = new RegExp(tempStr);
		if (tempReg.test(tempStr)) supported = 1;
	}
	if (!supported) 
		return (str.indexOf(".") > 2) && (str.indexOf("@") > 0);
	var r1 = new RegExp("(@.*@)|(\\.\\.)|(@\\.)|(^\\.)");
	var r2 = new RegExp("^.+\\@(\\[?)[a-zA-Z0-9\\-\\.]+\\.([a-zA-Z]{2,6}|[0-9]{1,6})(\\]?)$");
	return (!r1.test(str) && r2.test(str));
}