function newImage(arg) {
	if (document.images) {
		rslt = new Image();
		rslt.src = arg;
		return rslt;
	}
}

function changeImages() {
	if (document.images && (preloadFlag == true)) {
		for (var i=0; i<changeImages.arguments.length; i+=2) {
			document[changeImages.arguments[i]].src = changeImages.arguments[i+1];
		}
	}
}
 
var preloadFlag = false;
function preloadImages() {
	if (document.images) {
		over01 = newImage("images/menu/mm_products_over_en.jpg");
		over02 = newImage("images/menu/mm_purchase_over_en.jpg");
		over03 = newImage("images/menu/mm_downloads_over_en.jpg");
		over04 = newImage("images/menu/mm_partner_over_en.jpg");
		over05 = newImage("images/menu/mm_support_over_en.jpg");
		over06 = newImage("images/menu/mm_company_over_en.jpg");
		preloadFlag = true;
	}
//testPreload(1,8);
}

function testPreload(s,e) {
	str=''
	for(i=s;i<=e;i++) {
		try {
			if (i<10)
				ev = eval('over0'+i)
			else
				ev = eval('over'+i)

			str = str + '<BR><big>' + i +  ' OK</big><BR><img src=' + ev.src + '><BR>'  + ev.src + '<BR>'
		}
		catch(e) {
			str = str + '<BR><big>' + 1 +  ' ERROR ' + e.message + '</big><BR>'
		}
	}
	alert('ok');
	document.write(str);	
}

function changeStyleMenu(objtd,flag)
{
	
	if (document.getElementById) {
		
		if (flag==1)
		{
			objtd.className = "CellShoppingOver";	
		}
		else if (flag==2)
		{
			objtd.className = "CellShopping";
		}
	}
}
function changeStyleSousMenu(objtd,flag)
{
	
	if (document.getElementById) {
		
		if (flag==1)
		{
			objtd.className = "CellShoppingOver";	
		}
		else if (flag==2)
		{
			objtd.className = "CellShopping";
		}
	}
}

function displayCategoryDiv(div, btn, isParent)
{

	if(document.getElementById(div).style.display == 'none')
	{
        hideDiv()
        displayUpBtn()

		document.getElementById(div).style.display = 'block';
		document.getElementById(btn).src = "images/bt_up.gif";
	}

	else if(document.getElementById(div).style.display == 'block')
	{
        displayUpBtn()
		document.getElementById(div).style.display = 'none';
		document.getElementById(btn).src = "images/bt_down.gif";
	}    
}

function hideDiv()
{
	objSpan = (document.getElementById('spanCategory')).getElementsByTagName("span");
				
    for (var i = 0; i < objSpan.length; i++)
    {
        if(objSpan[i].name == 'spanCategory')
        {
            objSpan[i].style.display = 'none';
        }
	}
}

function displayUpBtn()
{
    objBtn = (document.getElementById('spanCategory')).getElementsByTagName("img");

    for (var i = 0; i < objBtn.length; i++)
    {
        if(objBtn[i].name == 'btnCategory')
        {
        	objBtn[i].src = "images/bt_down.gif";
        }
    }
}

function displayProductDiv(div, btn, isParent)
{
	if(document.getElementById(div).style.display == 'none')
	{
	    objSpan1 = (document.getElementById('spanProduct')).getElementsByTagName("span");
	
        for (var i = 0; i < objSpan1.length; i++)
        {
            if(objSpan1[i].Name == 'spanProduct')
            {
                objSpan1[i].style.display = 'none';
            }
	    }
	
		document.getElementById(div).style.display = 'block';
		document.getElementById(btn).src = "images/bt_down.gif";
	}
	else
	{
		document.getElementById(div).style.display = 'none';
		document.getElementById(btn).src = "images/bt_up.gif";

		objSpan = (document.getElementById(div)).getElementsByTagName("span"); 
		
		for (var i = 0; i < objSpan.length; i++) 
		{
			if(objSpan[i].style.display == 'block')
			{
				objSpan[i].style.display = 'none';
			}
		}
	} 
}