function change_src(targetimg,newsrc,fullpic, pictxt, targettxt)
{
var imgname=targetimg;



document.images[targetimg].src=newsrc;

if(targettxt != "")
{
	//alert(pictxt+"  " + targettxt);
	$(targettxt).firstChild.nodeValue =pictxt;
}

if (!fullpic =='')
{
//alert("VOLLBILD");
document.images[targetimg].onclick=function(){vollbild(fullpic);};

}

}