/*------------------------------------------------------*
  *-------FONCTIONS JAVASCRIPT    ----*
  *------------------------------------------------------*/


/*1 Pop Up centrée début (utilisée pour infos légales et pages plans) */

function popup(page,largeur,hauteur,options)
{
	var top=(screen.height-hauteur)/2;
	var left=(screen.width-largeur)/2;
	window.open(page,"","top="+top+",left="+left+",width="+largeur+",height="+hauteur+","+options);
}

/*1 Pop Up centrée FIN  */


/* AJAX */
var xmlhttp = false;
try{
  xmlhttp = new ActiveXObject("Msxml2.XMLHTTP");}     //comprovem si és IE
catch(e){
    try{
    	xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");}
	catch(e){
    	xmlhttp = false;}
}
if(!xmlhttp && typeof XMLHttpRequest != 'undefined')
	xmlhttp = new XMLHttpRequest();

function escriureCapa(url,layer)
{
	xmlhttp.open("POST", url, true);
	
	xmlhttp.onreadystatechange = function()
	{
		if (xmlhttp.readyState == 4 && xmlhttp.status == 200)
			document.getElementById(layer).innerHTML = xmlhttp.responseText;
	}
	xmlhttp.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
}

function zoneChange(url,capa,id_cat50_2,id_cat50_1,id_cat60_1){
	escriureCapa(url,capa);
	xmlhttp.send("id_cat50_2="+id_cat50_2+"&id_cat50_1="+id_cat50_1+"&id_cat60_1="+id_cat60_1);
}
/*----------------------------------------------------*/