function setOpacity2(eID, opacityLevel) {
	var eStyle = document.getElementById(eID).style;
	var	esrc = document.getElementById(eID).src;
	eStyle.opacity = opacityLevel / 100;
	//eStyle.backgroundImage = "none";
	eStyle.filter = 'alpha(opacity='+opacityLevel+')';
	//eStyle.filter = "progid:DXImageTransform.Microsoft.AlphaImageLoader(src=img/menubg_bg.png, sizingMethod='scale');";
}

function setOpacity(eID, opacityLevel) {
	var eStyle = document.getElementById(eID).style;
	var	esrc = document.getElementById(eID).src;
	eStyle.opacity = opacityLevel / 100;
	eStyle.filter = 'alpha(opacity='+opacityLevel+')';
}


function getElm(eID) { return document.getElementById(eID); }

function show(eID) { getElm(eID).style.display='block'; }

function hide(eID) { getElm(eID).style.display='none'; }

function fade(eID, startOpacity, stopOpacity, duration) {
var speed = Math.round(duration / 100);
var timer = 0;
if (startOpacity < stopOpacity){ // fade in
for (var i=startOpacity; i<=stopOpacity; i++) {
setTimeout("setOpacity2('"+eID+"',"+i+")", timer * speed);
timer++;
} return;
}
for (var i=startOpacity; i>=stopOpacity; i--) { // fade out
setTimeout("setOpacity2('"+eID+"',"+i+")", timer * speed);
timer++;
}
}

function sethv(idel,img){
var pa = document.getElementById(idel);
if (pa.style.visibility == 'hidden'){
if (idel == "popblock3") {
	document.getElementById('popblock3img').src=img;
	}
pa.style.visibility = "visible";
pa.style.zIndex = "1000";
grayOut(true,{'opacity':'90','zindex':'0'});
} else {
pa.style.visibility = "hidden";
if (idel == "popblock3") {
	document.getElementById('popblock3img').src=img;
	}
pa.style.zIndex = "0";
grayOut(false);
}
}

function grayOut(vis, options) {
  // Pass true to gray out screen, false to ungray
  // options are optional.  This is a JSON object with the following (optional) properties
  // opacity:0-100         // Lower number = less grayout higher = more of a blackout 
  // zindex: #             // HTML elements with a higher zindex appear on top of the gray out
  // bgcolor: (#xxxxxx)    // Standard RGB Hex color code
  // grayOut(true, {'zindex':'50', 'bgcolor':'#0000FF', 'opacity':'70'});
  // Because options is JSON opacity/zindex/bgcolor are all optional and can appear
  // in any order.  Pass only the properties you need to set.
  var options = options || {}; 
  var zindex = options.zindex || 50;
  var opacity = options.opacity || 70;
  var opaque = (opacity / 100);
  var bgcolor = options.bgcolor || '#000000';
  var dark=document.getElementById('darkenScreenObject');
  if (!dark) {
    // The dark layer doesn't exist, it's never been created.  So we'll
    // create it here and apply some basic styles.
    // If you are getting errors in IE see: http://support.microsoft.com/default.aspx/kb/927917
    var tbody = document.getElementsByTagName("body")[0];
    var tnode = document.createElement('div');           // Create the layer.
        tnode.style.position='absolute';                 // Position absolutely
        tnode.style.top='0px';                           // In the top
        tnode.style.left='0px';                          // Left corner of the page
        tnode.style.overflow='hidden';                   // Try to avoid making scroll bars            
        tnode.style.display='none';                      // Start out Hidden
        tnode.id='darkenScreenObject';                   // Name it so we can find it later
    tbody.appendChild(tnode);                            // Add it to the web page
    dark=document.getElementById('darkenScreenObject');  // Get the object.
  }
  if (vis) {
    // Calculate the page width and height 
    if( document.body && ( document.body.scrollWidth || document.body.scrollHeight ) ) {
        var pageWidth = document.body.scrollWidth+'px';
        //var pageHeight = document.body.scrollHeight+'px';
		var pageHeight = '765px';
    } else if( document.body.offsetWidth ) {
      var pageWidth = document.body.offsetWidth+'px';
      var pageHeight = '765px';
	  //var pageHeight = document.body.offsetHeight+'px';
    } else {
       var pageWidth='100%';
       var pageHeight='765px';
    }   
    //set the shader to cover the entire page and make it visible.
    dark.style.opacity=opaque;                      
    dark.style.MozOpacity=opaque;                   
    dark.style.filter='alpha(opacity='+opacity+')'; 
    dark.style.zIndex=zindex;        
    dark.style.backgroundColor=bgcolor;  
    dark.style.width= pageWidth;
    dark.style.height= pageHeight;
    dark.style.display='block';                          
  } else {
     dark.style.display='none';
  }
}


// open hidden layer
function mopen(id)
{	movemenu();
	// cancel close timer
	mcancelclosetime();
	// close old layer
	var objj = document.getElementById(id);
	objj.style.visibility = 'visible';
}
// close showed layer
function mclose()
{   
	var objj=document.getElementById('prd');
	objj.style.visibility = 'hidden';
    movemenu();
}

// go close timer
function mclosetime()
{
	timeout	= 500;
	closetimer = window.setTimeout(mclose, timeout);
}

// cancel close timer
var closetimer = 0;
var timeout	= 500;
function mcancelclosetime()
{
	if(closetimer)
	{
		timeout	= 500;
		window.clearTimeout(closetimer);
		closetimer = null;
	}
}


function findPosleft(ob) {
    var obj = document.getElementById(ob);
	var curleft = 0;
	if (obj.offsetParent) {
	do {curleft += obj.offsetLeft;} while (obj = obj.offsetParent);
    }
	return curleft;
}

function findPostop(ob) {
    var obj = document.getElementById(ob);
	var curtop = 0;
	if (obj.offsetParent) {
	do {curtop += obj.offsetTop;} while (obj = obj.offsetParent);
    }
	return curtop;
}

function movemenu(){
    var menu = document.getElementById('prd');
    menu.style.top = findPostop('l_products')+20+'px';
    menu.style.left = findPosleft('l_products')+10+'px'; 
}