function utils_getTags (tag)
{
	if (!document.getElementsByTagName){ return; }
	var anchors = document.getElementsByTagName(tag);
	return anchors;
}
		
function utils_xmlhttpPost(strURL,h,key) {
	var xmlHttpReq = false;
    var self = this;
	try { self.xmlHttpReq = new XMLHttpRequest();} 
	catch (e) { self.xmlHttpReq = new ActiveXObject("Microsoft.XMLHTTP");}	
	if (strURL.indexOf("?") == -1)
	{
		strURL = strURL + "?dummyVar=1";
	}
	self.xmlHttpReq.open('GET', strURL + "&ajax=true", true);
    self.xmlHttpReq.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
	self.handler = h;
	self.key = key;
    self.xmlHttpReq.onreadystatechange = function() {
        if (self.xmlHttpReq.readyState == 4) {
           self.handler (self.xmlHttpReq.responseText, self.key);
        }
    }
	self.xmlHttpReq.send(utils_getquerystring());
}

function utils_getquerystring() {
   //
}

function utils_blockForm (name, v)
{		
	for (i in document [name].elements)
	{
		document [name].elements [i].disabled = v;
	}
}

function prelaod_show()
{
	document.getElementById ("preloadWraper").style.display="block";
	//utils_set_opacity ("wrapper", 55);
}

function preload_hide()
{
	
	document.getElementById ("preloadWraper").style.display="none";
	//utils_set_opacity ("wrapper", 100);
}


function utils_set_opacity( id, opacity ) {
	opacity = (opacity == 100)?99.999:opacity;
	var obj = document.getElementById( id );
  	if (obj.style.filter) {
  		//IE/Win
		obj.style.filter = "alpha(opacity:"+opacity+")";
	} else if (obj.style.MozOpacity) {
		// Older Mozilla and Firefox
  		obj.style.MozOpacity = opacity/100;
	} else if (obj.style.KHTMLOpacity) {
	  	// Safari<1.2, Konqueror
  		obj.style.KHTMLOpacity = opacity/100;
	} else {
		// Safari 1.2, newer Firefox and Mozilla, CSS3
  		obj.style.opacity = opacity/100;
	}
}


function toggle(obj) {
	var el = document.getElementById("menu_" + obj);
	if ( el.style.display != 'none' ) {
		el.style.display = 'none';
		var t = 1;
	}
	else {
		el.style.display = '';
		var t = 2;
	}
	//
	var img = document.getElementById("img_toggle_" + obj);
	img.src = "/skin/urruzuno/toggle_" + t + ".gif";
}
function toggleMenu (obj)
{
	var el = document.getElementById("menu_" + obj);
	if ( el.style.display != 'none' ) {
		el.style.display = 'none';
		var t = 1;
	}
	else {
		el.style.display = '';
		var t = 2;
	}
	//
	//
	var img = document.getElementById("img_toggle_" + obj);
	img.src = "/skin/urruzuno/toggle_" + t + ".gif";
}