blnDOM = (document.getElementById) ? true : false;
blnNS4 = (document.layers) ? true : false;
blnIE = (document.all) ? true : false;
blnIE4 = blnIE && !blnDOM;
blnIE5 = (navigator.appVersion.indexOf("MSIE 5.0") != -1);
blnNS6 = blnDOM && !blnIE;
blnMac = (navigator.appVersion.indexOf("Mac") != -1);
blnOpera = (navigator.userAgent.indexOf("Opera")!=-1);
blnKonqueror = (navigator.userAgent.indexOf("Konqueror")!=-1);

//Swap images with an optional fade effect
var transitionToggle = 0;

function imgToggle(id,name,transitionDisable)
	{
	if (transitionDisable || !document.images[id].filters || blnIE5 || blnNS4)
		{
		if (document.images)
			{
			document.images[id].src=eval(name+".src");
			}
		}
	else
		{
		document.images[id].filters[0].Apply();
		// After setting Apply, changes to the object
		// are not displayed until Play is called.

		if (transitionToggle)
			{
			transitionToggle = 0;
			document.images[id].src=eval(name+".src");
			}
		else
			{
			transitionToggle = 1;
			document.images[id].src=eval(name+".src");
			}
		document.images[id].filters[0].Play();
		}
	}

if (document.images)
	{
	//JOIN
	b_join_off = new Image();b_join_off.src = 'images/b_join_off.gif';
	b_join_on = new Image();b_join_on.src = 'images/b_join_on.gif';
	//PREVIEW
	b_preview_off = new Image();b_preview_off.src = 'images/b_preview_off.gif';
	b_preview_on = new Image();b_preview_on.src = 'images/b_preview_on.gif';
	//CONTRIBUTORS
	b_contributors_off = new Image();b_contributors_off.src = 'images/b_contributors_off.gif';
	b_contributors_on = new Image();b_contributors_on.src = 'images/b_contributors_on.gif';
	//ABOUT
	b_about_off = new Image();b_about_off.src = 'images/b_about_off.gif';
	b_about_on = new Image();b_about_on.src = 'images/b_about_on.gif';
	//MEMBERS
	b_members_off = new Image();b_members_off.src = 'images/b_members_off.gif';
	b_members_on = new Image();b_members_on.src = 'images/b_members_on.gif';
	//MEMBERS
	b_links_off = new Image();b_links_off.src = 'images/b_links_off.gif';
	b_links_on = new Image();b_links_on.src = 'images/b_links_on.gif';
	
	}