function changetext(whichcontent){

	src_el = (document.getElementById) ? document.getElementById(whichcontent) : ( document.all) ? document.all[whichcontent] : document.layers[whichcontent];
	src_txt = src_el.innerHTML;
	//alert(src_txt);
	cross_el = (document.getElementById) ? document.getElementById("desc") : ( document.all) ? document.all["desc"] : document.layers["desc"];
	cross_el.innerHTML='<font face="Trebuchet MS", Verdana, Arial, sans-serif>'+src_txt+'</font>'
}