window.addEvent('domready', function()
{
	var allthumbs=document.getElementById(thumbdivid).getElementsByTagName("IMG");
	for(var at=0;at<allthumbs.length;at++)
	{
		allthumbs[at].onclick=function()
		{
			var newmainpic=this.src;
			newmainpic=newmainpic.replace(galtfolder,galpfolder);
			newmainpic=newmainpic.replace(galtext,galpext);
			document.getElementById(maingalpicid).src=newmainpic;
		}
	}
})

function thumbscroll(thumbdir)
{
	if(thumbdir=="right"){galstart+=galincrement;galend+=galincrement;if(galend>galnum){galend=galnum;galstart=galend-galincrement+1;}}
	else if(thumbdir=="left"){galstart-=galincrement;galend-=galincrement;if(galstart<0){galstart=0;galend=galincrement-1;}}

	if(galstart==0){document.getElementById("thumbleftimg").style.display="none";}
	else{document.getElementById("thumbleftimg").style.display="block";}
	if(galend==galnum){document.getElementById("thumbrightimg").style.display="none";}
	else{document.getElementById("thumbrightimg").style.display="block";}

	var allthumbs=document.getElementById(thumbdivid).getElementsByTagName("IMG");
	for(var at=0;at<allthumbs.length;at++)
	{
		if(at>=galstart && at<=galend){allthumbs[at].parentNode.style.display="block";}
		else{allthumbs[at].parentNode.style.display="none";}
	}
	var newmainpic=allthumbs[galstart].src;
	newmainpic=newmainpic.replace(galtfolder,galpfolder);
	if(galtext!="" && galpext!=""){newmainpic=newmainpic.replace(galtext,galpext);}
	document.getElementById(maingalpicid).src=newmainpic;
}