var ie4=document.all&&navigator.userAgent.indexOf("Opera")==-1;
var ns6=document.getElementById&&navigator.userAgent.indexOf("Opera")==-1;
var ns4=document.layers;

function showDrawing(drawing,caption)
{
	if (document.all && photoslider.filters) // If IE 
	{
		photoslider.filters.revealTrans.Transition=12;
		photoslider.filters.revealTrans.stop();
		photoslider.filters.revealTrans.apply();
		document.images.photoslider.src=drawing+'.gif';
		photoslider.filters.revealTrans.play();
	}
	else // Other Browsers
	{
		document.images.photoslider.src=drawing+'.gif';
	}
	showCaption('<FONT SIZE=4 COLOR=#FF0000>'+drawing+"<BR>"+decodeURI(caption)+'</FONT>');
}

function showCaption(content)
{
	if(ie4)
	{
		showCaptionObj=document.all.theCaption;
	}

	if(ns6)
	{
		showCaptionObj=document.getElementById("theCaption");
	}

	if(ie4||ns6)
	{
		if(showCaptionObj.innerHTML!=content)
		{
			showCaptionObj.innerHTML=content;
		}
		else
		{
			showCaptionObj.innerHTML="";
		}
	}

	if(ns4)
	{
		document.nsdiv.document.write(content);
		document.nsdiv.document.close();
	}
}

function preload()
{
	var preloadedimages=new Array();

	for (var i=0;i<photos.length;i++)
	{
		preloadedimages[i]=new Image();
		preloadedimages[i].src=photos[i]+'.gif';
	}
}