function obrePopupGeneral(sURL, iWidth, iHeight){
	var anPos_final = new Array();
    var iWidthAux = (screen.availWidth - iWidth) / 2;
    var iHeightAux = (screen.availHeight - iHeight) / 2;
	var sParam = 'toolbar=no,scrollbars=yes,resizable=no,location=no,directories=no,status=no,width='+iWidth+',height='+iHeight+',left='+iWidthAux+',top='+iHeightAux;
    var wPopup = window.open(sURL,"finestra",sParam);
}	
function GetParam(sNomParam)
	 {		 
	 var sCerca = asParametres = asParam = "";
  	 sCerca = location.search.substring(1,location.search.length);
	 asParametres = sCerca.split("&");
	 for(var i=0;i<asParametres.length;i++) 
	 	{
		 asParam = asParametres[i].split("=");
		 if (asParam[0] == sNomParam)
		 	 return(asParam[1]);
		}
    return "";
	}