var timeout	= 500;
var closetimer	= 0;
var ddmenuitem	= 0;

// open hidden layer
function mopen(id)
{	
	// cancel close timer
	mcancelclosetime();

	// close old layer
	if(ddmenuitem) ddmenuitem.style.display = 'none';

	// get new layer and show it
	ddmenuitem = document.getElementById(id);
	ddmenuitem.style.display = 'block';

}
// close showed layer
function mclose()
{
	if(ddmenuitem) ddmenuitem.style.display = 'none';
}

// go close timer
function mclosetime()
{
	closetimer = window.setTimeout(mclose, timeout);
}

// cancel close timer
function mcancelclosetime()
{
	if(closetimer)
	{
		window.clearTimeout(closetimer);
		closetimer = null;
	}
}


function ButtonOver(im) {
   var s = new String(im.src);
   if (s.match(/_over(\.\w+)$/) == null) im.src = s.replace(/(\.\w+)$/, "_over$1");
}

function ButtonOut(im) {
   var s = new String(im.src);
   if (s.match(/_over(\.\w+)$/) != null) im.src = s.replace(/_over(\.\w+)$/, "$1");
}

function QuickJump() {
   var objSel = document.getElementById('q_jump');
   if (objSel.options[objSel.selectedIndex].value != 'none')
       location.href = objSel.options[objSel.selectedIndex].value;
}

function readCookie(name) {
	var nameEQ = name + "=";
	var ca = document.cookie.split(';');
	for(var i=0;i < ca.length;i++) {
		var c = ca[i];
		while (c.charAt(0)==' ') c = c.substring(1,c.length);
		if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
	}
	return null;
}

function CheckQsForm(form, defaultmsg)
{
  //console.log(form.elements);	
  var qs = form.elements['qs']; //document.getElementById('qs');
  
  
  if (qs.value.length < 3 || qs.value == (defaultmsg ? defaultmsg : qssearchmsg))
  {
    alert(qssmalllen);
    return false;
  }
  else
    return true;
}

function GetWinWidth()
   {
    var winw = 0;
    var winh = 0;
       if (navigator.appName.indexOf("Microsoft") != -1)
       {
        winw = document.body.offsetWidth;
        winh = document.body.offsetHeight;
       }
       else
       {
        winw = window.innerWidth;
        winh = window.innerHeight;
       }
    return winw;
   }

function GetWinHeight()
   {
    var winw = 0;
    var winh = 0;
       if (navigator.appName.indexOf("Microsoft") != -1)
       {
        winw = document.body.offsetWidth;
        winh = document.body.offsetHeight;
       }
       else
       {
        winw = window.innerWidth;
        winh = window.innerHeight;
       }
    return winh;
   }

  function getAbsolutePosition(element) {
    var r = { x: element.offsetLeft, y: element.offsetTop };
    if (element.offsetParent) {
      var tmp = getAbsolutePosition(element.offsetParent);
      r.x += tmp.x;
      r.y += tmp.y;
    }
    return r;
  };

/*
	Developed by Robert Nyman, http://www.robertnyman.com
	Code/licensing: http://code.google.com/p/getelementsbyclassname/
*/
var getElementsByClassName = function (className, tag, elm){
	if (document.getElementsByClassName) {
		getElementsByClassName = function (className, tag, elm) {
			elm = elm || document;
			var elements = elm.getElementsByClassName(className),
				nodeName = (tag)? new RegExp("\\b" + tag + "\\b", "i") : null,
				returnElements = [],
				current;
			for(var i=0, il=elements.length; i<il; i+=1){
				current = elements[i];
				if(!nodeName || nodeName.test(current.nodeName)) {
					returnElements.push(current);
				}
			}
			return returnElements;
		};
	}
	else if (document.evaluate) {
		getElementsByClassName = function (className, tag, elm) {
			tag = tag || "*";
			elm = elm || document;
			var classes = className.split(" "),
				classesToCheck = "",
				xhtmlNamespace = "http://www.w3.org/1999/xhtml",
				namespaceResolver = (document.documentElement.namespaceURI === xhtmlNamespace)? xhtmlNamespace : null,
				returnElements = [],
				elements,
				node;
			for(var j=0, jl=classes.length; j<jl; j+=1){
				classesToCheck += "[contains(concat(' ', @class, ' '), ' " + classes[j] + " ')]";
			}
			try	{
				elements = document.evaluate(".//" + tag + classesToCheck, elm, namespaceResolver, 0, null);
			}
			catch (e) {
				elements = document.evaluate(".//" + tag + classesToCheck, elm, null, 0, null);
			}
			while ((node = elements.iterateNext())) {
				returnElements.push(node);
			}
			return returnElements;
		};
	}
	else {
		getElementsByClassName = function (className, tag, elm) {
			tag = tag || "*";
			elm = elm || document;
			var classes = className.split(" "),
				classesToCheck = [],
				elements = (tag === "*" && elm.all)? elm.all : elm.getElementsByTagName(tag),
				current,
				returnElements = [],
				match;
			for(var k=0, kl=classes.length; k<kl; k+=1){
				classesToCheck.push(new RegExp("(^|\\s)" + classes[k] + "(\\s|$)"));
			}
			for(var l=0, ll=elements.length; l<ll; l+=1){
				current = elements[l];
				match = false;
				for(var m=0, ml=classesToCheck.length; m<ml; m+=1){
					match = classesToCheck[m].test(current.className);
					if (!match) {
						break;
					}
				}
				if (match) {
					returnElements.push(current);
				}
			}
			return returnElements;
		};
	}
	return getElementsByClassName(className, tag, elm);
};

window.addEvent("load", function () {
   if ($('qs') && !$('qs').value) $('qs').value = qssearchmsg;
});

// close layer when click-out
document.onclick = mclose;