// Browser Detection

isMac = (navigator.appVersion.indexOf("Mac")!=-1) ? true : false;
NS4 = (document.layers) ? true : false;
IEmac = ((document.all)&&(isMac)) ? true : false;
IE4plus = (document.all) ? true : false;
IE4 = ((document.all)&&(navigator.appVersion.indexOf("MSIE 4.")!=-1)) ? true : false;
IE5 = ((document.all)&&(navigator.appVersion.indexOf("MSIE 5.")!=-1)) ? true : false;
ver4 = (NS4 || IE4plus) ? true : false;
NS6 = (!document.layers) && (navigator.userAgent.indexOf('Netscape')!=-1)?true:false;
isIE=false;
if (navigator.appVersion.indexOf("MSIE") != -1) isIE = true;

// Body onload utility (supports multiple onload functions)
var gSafeOnload = new Array();
var gSafeOnSubmit = new Array();
function SafeAddOnload(f)
{
	if (IEmac && IE4)  // IE 4.5 blows out on testing window.onload
	{
		window.onload = SafeOnload;
		gSafeOnload[gSafeOnload.length] = f;
	}
	else if  (window.onload)
	{
		if (window.onload != SafeOnload)
		{
			gSafeOnload[0] = window.onload;
			window.onload = SafeOnload;
		}		
		gSafeOnload[gSafeOnload.length] = f;
	}
	else
		window.onload = f;
		
}

function SafeOnload()
{
	for (var i=0;i<gSafeOnload.length;i++) {
		gSafeOnload[i]();
	}

}

/*
	Form Submit Handler

*/
function SafeOnSubmit(form)
{	
	var res;
	for (var i=0;i<gSafeOnSubmit.length;i++) {
		res=gSafeOnSubmit[i](form);
		if (!res) return false;
	}

	return true;
}
function SafeAddOnSubmit(f)
{
	gSafeOnSubmit[gSafeOnSubmit.length] = f;
}