function obre_popup_forums(text_llegenda) {
// canvio les cometes HTML per cometes reals
text_llegenda = text_llegenda.replace(/"/gi, "\"");
text_llegenda = text_llegenda.replace(/'/gi, "\'");

text_llegenda = text_llegenda.replace("[i:]"," ----- ");
text_llegenda = text_llegenda.replace("[/i:]","");

//faig la capa visible
document.getElementById("capa_popup").style.visibility="visible";
//aplico el text a la capa
var capa_popup_text=document.getElementById("capa_popup_txt").firstChild;
jQuery(document).ready(function(){
	$(document).mousemove(function(e){
		posiciox = e.pageX + 10;
		posicioy = e.pageY + 5;
		document.getElementById("capa_popup").style.left = posiciox+"px";
		document.getElementById("capa_popup").style.top = posicioy+"px";
		capa_popup_text.nodeValue = text_llegenda;
	   	}); 
	})
}


function tanca_popup_forums() {
document.getElementById("capa_popup").style.visibility="hidden";
}