function flipImage(url)
{
    if (window.event.srcElement.tagName == "IMG" ) {
        window.event.srcElement.src = url;
    }
}
function hpop(url,width,height) {
var hpopwin
hpopwin = window.open(url, 'help', 'width='+width+',height='+height+',menubar=no,resizable=no,scrollbars=yes');
 if (hpopwin != null) {
  if (hpopwin.opener == null)
   hpopwin.opener = self;
  hpopwin.location.href = url;
  hpopwin=null;
 }
}

if (!document.layers&&!document.all)
event="test"

function showtip(current,e,text){

	if (document.all){
		thetitle=text.split('<br>')
		if (thetitle.length>1){
		thetitles=''
		for (i=0;i<thetitle.length;i++)
		thetitles+=thetitle[i]
		current.title=thetitles
	}
	else
		current.title=text
	}

	else if (document.layers){
		document.tooltip.document.write('<layer bgColor="white" style="border:1px solid black;font-size:12px;">'+text+'</layer>')
		document.tooltip.document.close()
		document.tooltip.left=e.pageX+5
		document.tooltip.top=e.pageY+5
		document.tooltip.visibility="show"
	}
}
function hidetip(){
	if (document.layers)
		document.tooltip.visibility="hidden"
}

function nu_formCheck(formobj){
	//1) Enter name of mandatory fields
	var fieldRequired = Array("fn", "ln", "un", "pw", "em");
	//2) Enter field description to appear in the dialog box
	var fieldDescription = Array("First Name", "Last Name", "Username", "Password", "E-Mail Address");
	//3) Enter dialog message
	var alertMsg = "Please complete the following fields:\n";
	
	var l_Msg = alertMsg.length;
	
	for (var i = 0; i < fieldRequired.length; i++){
		var obj = formobj.elements[fieldRequired[i]];
		if (obj){
			switch(obj.type){
			case "select-one":
				if (obj.selectedIndex == -1 || obj.options[obj.selectedIndex].text == ""){
					alertMsg += " - " + fieldDescription[i] + "\n";
				}
				break;
			case "select-multiple":
				if (obj.selectedIndex == -1){
					alertMsg += " - " + fieldDescription[i] + "\n";
				}
				break;
			case "text":
			case "textarea":
				if (obj.value == "" || obj.value == null){
					alertMsg += " - " + fieldDescription[i] + "\n";
				}
				break;
			default:
				if (obj.value == "" || obj.value == null){
					alertMsg += " - " + fieldDescription[i] + "\n";
				}
			}
		}
	}

	if (alertMsg.length == l_Msg){
		return true;
	}else{
		alert(alertMsg);
		return false;
	}
}