function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

function openCenteredWindow(url, name, width, height, features) {
  if(screen.width){
	  var winl = (screen.width-width)/2;
	  var wint = (screen.height-height)/2;
  } else {
		winl = 0;
		wint =0;
  }
  if (winl < 0) winl = 0;
  if (wint < 0) wint = 0;
  var settings = 'height=' + height + ',';
  settings += 'width=' + width + ',';
  settings += 'top=' + wint + ',';
  settings += 'left=' + winl + ',';
  settings += features;
  win = window.open(url, name, settings);
  win.window.focus();
}

function openNewsPopup(id, context_path) {
	openCenteredWindow(context_path + '/popup.php?id=' + id, 'news_popup', 500, 465, 'scrollbars=yes, resizable=no')
}

function openGaleriaPopup(x) {
	openCenteredWindow('/galerias/producto.php?prodid=' + x, 'galeria_popup', 340, 520, 'scrollbars=yes, resizable=no')
}
function openImgPopup(x) {
	openCenteredWindow('/galerias/prod_img.php?prodid=' + x, 'prod_popup', 420, 520, 'scrollbars=no, resizable=no')
}

function openFiltroPopup() {
	openCenteredWindow('/empresas/filtro.php', 'rmptrds_popup', 337, 230, 'scrollbars=yes, resizable=no')
}
function openFiltro2Popup() {
	openCenteredWindow('/productos/filtro.php', 'rmptrds_popup', 337, 280, 'scrollbars=yes, resizable=no')
}

function openContactoPopup(archivo, id) {
	openCenteredWindow('/contactos/' + archivo + '.php?id=' + id , 'galeria_popup', 420, 500, 'scrollbars=yes, resizable=no')
}

function openCompPopup(cate, cambiar) {
	if (cambiar > 0) {
		openCenteredWindow('/comparativas/popup.php?chg=1&clasi=' + cate , 'comp_popup', 420, 500, 'scrollbars=yes, resizable=no');
	} else {
		openCenteredWindow('/comparativas/popup.php?clasi=' + cate , 'comp_popup', 420, 500, 'scrollbars=yes, resizable=no')
	}
}

function turnDisplay(id) {
	if (document.getElementById(id).style.display == 'none' ) {
		document.getElementById(id).style.display = '' ;
	} else {
		document.getElementById(id).style.display = 'none';
	}
}

function turnOffDisplay(id) {
	document.getElementById(id).style.display = 'none';
}

function turnOnDisplay(id) {
	document.getElementById(id).style.display = '';
}

function turnAllOffDisplay (hashId) {
	i = 0;
	while (obj = document.getElementById(hashId + "" + i)) { 
		obj.style.display = 'none';
		i++;
	}
}

function getData( url, data , objId ) {
	req = false;
    // branch for native XMLHttpRequest object
    if(window.XMLHttpRequest) {
    	try {
			req = new XMLHttpRequest();
			req.overrideMimeType('text/xml');
        } catch(e) {
			req = false;
        }
    // branch for IE/Windows ActiveX version
    } else if(window.ActiveXObject) {
       	try {
        	req = new ActiveXObject("Msxml2.XMLHTTP");
      	} catch(e) {
        	try {
          		req = new ActiveXObject("Microsoft.XMLHTTP");
        	} catch(e) {
          		req = false;
        	}
		}
    }
	if(req) {
		// Asigna el manejador de eventos.
		req.onreadystatechange = function () {
			if (req.readyState == 4) {
				if (req.status == 200) {
				    document.getElementById(objId).innerHTML = req.responseText;
				} else {
				    alert("There was a problem retrieving the data =( :\n" +
				        req.statusText);
				}
			}
		};
		currentTime = new Date();
		uniquehash = "&ts_cache=" + currentTime;
		req.open("GET", url + '?' + data + uniquehash, true);
		req.send('');
	}
}