//---------------------------------------------------------------
// Opacity Displayer, Version 1.0
// Copyright Michael Lovitt, 6/2002.
// Distribute freely, but please leave this notice intact.
//---------------------------------------------------------------
function OpacitySet(itemID, itemPath) {
	this.id = itemID;
	this.path = itemPath;
	if (ns) {
		if (browserVersion>=5) { this.item = document.getElementById(itemID).style; }
    else { this.item = eval("document."+itemID); }
    }
  else { this.item = eval(itemID + ".style"); }
  //this.setBackground = od_object_setBackground;
	if (pngAlpha) { this.item.filter = "progid:DXImageTransform.Microsoft.AlphaImageLoader(src='"+this.path+".png', sizingMethod='scale')"; }
  else if (pngNormal) { this.item.backgroundImage = 'url('+this.path+'.png)'; }
  else { this.item.backgroundImage = 'url('+this.path+'.gif)'; }
  }
//---------------------------------------------------------------
// global variables
if ( (browser.isIE55 || browser.isIE6up) && browser.isWin32 ) {
  // if IE5.5+ on win32, then display PNGs with AlphaImageLoader
	var pngAlpha = true;
	var strExt = ".png";
  }
else if ((browser.isGecko) || (browser.isIE5up && browser.isMac) || (browser.isOpera && browser.isWin && browser.versionMajor >= 6) || (browser.isOpera && browser.isUnix && browser.versionMajor >= 6) || (browser.isOpera && browser.isMac && browser.versionMajor >= 5) || (browser.isOmniweb && browser.versionMinor >= 3.1) || (browser.isIcab && browser.versionMinor >= 1.9) || (browser.isWebtv) || (browser.isDreamcast)) {
  // else, if the browser can display PNGs normally, then do that. that list includes:
	//     -Gecko Engine: Netscape 6 or Mozilla, Mac or PC
	//     -IE5+ Mac (OpacityObject applies the background image at 100% opacity)
	//     -Opera 6+ PC
	//     -Opera 5+ Mac (Doesn't support dynamically-set background images)
	//     -Opera 6+ Linux
	//     -Omniweb 3.1+
	//     -Icab 1.9+
	//     -WebTV
	//     -Sega Dreamcast
	var pngNormal = true;
	var strExt = ".png";
  }
else {
	// otherwise, we use plain old GIFs
	var strExt = ".gif";
  }
var ns = (document.all)?false:true;
var browserVersion = parseFloat(navigator.appVersion );
//---------------------------------------------------------------