function showSubMenu(){
	var objThis = this;

	for(var i = 0; i  < objThis.childNodes.length; i++)
	{
		if(objThis.childNodes.item(i).nodeName == "UL")
		{
			if (navigator.appName == 'Microsoft Internet Explorer') {
				objThis.childNodes.item(i).style.display = "block";
			}
		}

		if(objThis.childNodes.item(i).nodeName == "A")
		{
			if (objThis.childNodes.item(i).className == "mainitem") objThis.childNodes.item(i).className = "mainitem_on";
			if (objThis.childNodes.item(i).className == "subitem")  objThis.childNodes.item(i).className = "subitem_on";
		}
	}
}

function hideSubMenu()
{
	var objThis = this;

	for(var i = 0; i  < objThis.childNodes.length; i++)
	{
		if(objThis.childNodes.item(i).nodeName == "UL")
		{
			if (navigator.appName == 'Microsoft Internet Explorer') {
				objThis.childNodes.item(i).style.display = "none";
			}
		}
		
		if(objThis.childNodes.item(i).nodeName == "A")
		{
			if (objThis.childNodes.item(i).className == "mainitem_on") objThis.childNodes.item(i).className = "mainitem";
			if (objThis.childNodes.item(i).className == "subitem_on")  objThis.childNodes.item(i).className = "subitem";
		}
	}
}

function initialiseMenu()
{
	var objLICollection = document.body.getElementsByTagName("LI");
	for(var i = 0; i < objLICollection.length; i++)
	{
		var objLI = objLICollection[i];
		for(var j = 0; j  < objLI.childNodes.length; j++)
		{
			if(objLI.childNodes.item(j).nodeName == "UL")
			{
				// objLI.onmouseover=showSubMenu;
				// objLI.onmouseout=hideSubMenu;
        if (navigator.appName == 'Microsoft Internet Explorer') {
          objLI.onmouseout=hideSubMenu;
          objLI.onmouseover=showSubMenu;
        }
			}
    }
  } 


	
}

window.onload=initialiseMenu;