//##########################################
function checkForm(frm)
{
	var msg = "";
	
	if(frm.firstname.value == "")
		msg += "\n   Your First name     ";
	if(frm.surname.value == "")
		msg += "\n   Your Surname     ";
	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.message.value == "")
	msg += "\n   Your message!     ";
	
if(frm.painting && frm.original){
	if(frm.original.checked == false && frm.print.checked == false)
		msg += "\n\n   Please indicate if you are interested in a print or original.     ";
}
	
	if(msg != ""){
		alert("Please supply the following:     \n" + msg);
		return false;
	}else{
		return true;
	}
}

//#####################################
function launchRemote(frameURL, winName,wt,ht,scrl,resz,toolb,menub)  {
				var this_scroll = (scrl != null)?"yes":"no";
				var this_resize = (resz != null)?"yes":"no";
				var this_toolbar = (toolb != null)?"yes":"no";
				var this_menubar = (menub != null)?"yes":"no";
				scrWidth = screen.width;
				scrHeight = screen.height;
				posx = (scrWidth-wt)/2;
				posy = ((scrHeight-ht)/2)-15;

				features = 'toolbar='+this_toolbar+
												',location=no,directories=no,status=no,resizable='+this_resize+
												',scrollbars='+this_scroll+
												',menubar='+this_menubar+
												',width='+wt+
												',height='+ht+
												',Top='+posy+
												',left='+posx;
				dlg = window.open (frameURL, winName, features)
 }
 
//####################  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));
}