//platform and browser check

var ISieWIN = false;
var platform = navigator.appVersion;
var browser = navigator.appName;

if ((platform.indexOf("Win") >= 0) || (platform.indexOf("NT") >= 0))
{
	if(browser == "Microsoft Internet Explorer")
	{
		
		//for layer opacity
		ISieWIN = true;

		//for pngs
		document.writeln('<style type="text\/css">img { visibility:hidden; } <\/style>');
		window.attachEvent("onload", fnLoadPngs);
		
	}	
}








//png fix in IE windows

function fixToo()
{
	if(ISieWIN )
	{
		fnLoadPngs();
	}
}



function fnLoadPngs() {
	var rslt = navigator.appVersion.match(/MSIE (\d+\.\d+)/, '');
	var itsAllGood = (rslt != null && Number(rslt[1]) >= 5.5);

	for (var i = document.images.length - 1, img = null; (img = document.images[i]); i--) {
		if (itsAllGood && img.src.match(/\.png$/i) != null) {
			var src = img.src;
			img.style.width = img.width + "px";
			img.style.height = img.height + "px";
			img.style.filter = "progid:DXImageTransform.Microsoft.AlphaImageLoader(src='" + src + "', sizingMethod='scale')"
			img.src = "_images/spacer.gif";
		}
		img.style.visibility = "visible";
	}
}




//backround style picker (one for ieWin, one for everyone else)

function switchBack(opc,sWidth,sHeight)
{
	if(ISieWIN)
	{
		document.write("<div class='breakback' style='filter: alpha(opacity=" + opc + "); filter: progid:DXImageTransform.Microsoft.Alpha(opacity=" + opc + "); width: " + sWidth + "; height: " + sHeight + ";'>");
	}
	else
	{
		document.write("<div class='breakbox' style='background-image: url(_images/white-" + opc + ".png); width: " + sWidth + "; height: " + sHeight + ";'>");
	}
}




//rollover stuff
function newImage(arg) {
	if (document.images) {
		rslt = new Image();
		rslt.src = arg;
		return rslt;
	}
}

function changeImages() {
	if (document.images && (preloadFlag == true)) {
		for (var i=0; i<changeImages.arguments.length; i+=2) {
			document[changeImages.arguments[i]].src = changeImages.arguments[i+1];
		}
	}
}


function disclaim()
{
	open('welcome.html','diclaimer','scrollbars=yes,toolbar=no,resizable=yes,width=520,height=280');
}