imgLoader = new Image(); // preload image
imgLoader.src = '../images/loading.gif';

function showOverlay()
{
  if (typeof document.body.style.maxHeight === "undefined") {//if IE 6
		$("body","html").css({height: "100%", width: "100%"});
		$("html").css("overflow","hidden");
		if (document.getElementById("TB_HideSelect") === null) {//iframe to hide select elements in ie6
			$("body").append("<iframe id='TB_HideSelect'></iframe><div id='TB_overlay'></div><div id='TB_window'></div>");
			$("#TB_overlay").click(tb_remove);
		}
	}else{//all others
		if(document.getElementById("TB_overlay") === null){
			$("body").append("<div id='TB_overlay'></div><div id='TB_window'></div>");
			$("#TB_overlay").click(tb_remove);
		}
	}
	
	if(tb_detectMacXFF()){
		$("#TB_overlay").addClass("TB_overlayMacFFBGHack");//use png overlay so hide flash
	}else{
		$("#TB_overlay").addClass("TB_overlayBG");//use background and opacity
	}
	
	$("body").append("<div id='TB_load'><img src='"+imgLoader.src+"' /></div>");//add loader to the page
	$('#TB_load').show();//show loader 
}

function hideOverlay()
{
  $("#TB_window").fadeOut("fast",function(){$('#TB_window,#TB_overlay,#TB_HideSelect').trigger("unload").unbind().remove();}); 
  $("#TB_load").remove();
  if (typeof document.body.style.maxHeight == "undefined") {//if IE 6
		$("body","html").css({height: "auto", width: "auto"});
		$("html").css("overflow","");
	}
}

function setClass(obj, cl)
{
	if (obj.className != cl) obj.className = cl;
}

function gotoURL(url)
{
	if (!url) url = "/";
	if (window.event){
		var src = window.event.srcElement;
		if((src.tagName != 'A') && ((src.tagName != 'IMG') || (src.parentElement.tagName != 'A'))){
			if (window.event.shiftKey) window.open(url);
			else document.location = url;
		}
	} else document.location = url;
}

function CheckForm251(f) {
if (f.email.value == "") {
 alert("Please enter your email address.");
 f.email.focus();
 return false;
}

var fname = "CustomFields_1_25";
var fld = f[fname];
if (fld.value == "") {
 alert("Please enter a value for field Name");
 fld.focus();
 return false;
}

 return true;
};