var imgs = new Array();

function getObj(name) {
	return eval("document.all['" + name + "']");
}

function newImgSrc(name, ext) {
	imgs[name] = new Image();
	imgs[name].src = basehref + "/images/" + name + "." + ((ext)?ext:"jpg");
}

function newImg(name) {
	newImgSrc(name + "_on");
	newImgSrc(name + "_off");
}

function imgOver(name, value) {
	imgObj = getObj(name);
	imgObj.src = imgs[(value)?(name + "_on"):(name + "_off")].src;
}

function trClick(objname, value){
  trobj = eval("document.all['tr_" + objname + "']");
	if (trobj) {
		if (value != null) trobj.style.display = (value)?"":"none";
		else trobj.style.display = (trobj.style.display == "none")?"":"none";
		value = (trobj.style.display == "none")?false:true;
	  imgobj = eval("document.all['img_" + objname + "']");
		if (imgobj) imgobj.src = imgs["arr_" + ((value)?"asc":"desc")].src;//"images\\arr_" + ((value)?"asc.gif":"desc.gif");
	}
}