var menuids=["treemenu1"] 

function buildsubmenus_horizontal()
{
	for ( var i=0; i<menuids.length; i++ )
	{
  		var ultags=document.getElementById(menuids[i]).getElementsByTagName("ul")
  		
    	for ( var t=0; t<ultags.length; t++ )
		{
			if (ultags[t].parentNode.parentNode.id==menuids[i])
			{ 
				ultags[t].style.top=ultags[t].parentNode.offsetHeight + "px"
				ultags[t].parentNode.getElementsByTagName("a")[0].className="mainfoldericon"
			}
			else
			{ 
		  		ultags[t].style.left=ultags[t-1].getElementsByTagName("a")[0].offsetWidth + "px"
    			ultags[t].parentNode.getElementsByTagName("a")[0].className="subfoldericon"
			}
    		
			ultags[t].parentNode.onmouseover = function()
			{
    			this.getElementsByTagName("ul")[0].style.visibility="visible"
    		}
    		
			ultags[t].parentNode.onmouseout=function()
			{
    			this.getElementsByTagName("ul")[0].style.visibility="hidden"
    		}
    	}
  	}
}

if (window.addEventListener)
	window.addEventListener("load", buildsubmenus_horizontal, false)
	
else if (window.attachEvent)
	window.attachEvent("onload", buildsubmenus_horizontal)