var id = 2;  //默认选中的ID
var cache_id = id;
function switchShow(id,tag)
{
	parent.leftFrame.document.getElementById("div"+id).className='show';
	
	for(var i=1; i<=7; i++)
	{
	   if (i!=id)
			parent.leftFrame.document.getElementById("div"+i).className='hid';
    }
    
    document.getElementById("td_"+id).className='left_menu_selected';
	
	for(var i=1; i<=7; i++)
	{
	   if (i!=id)
			document.getElementById("td_"+i).className='left_menu';
    }
    
	var tObj = document.getElementById("div"+id);
	var	cObj = document.getElementById("div"+cache_id);
	if(tag)
	{
		if(tObj) tObj.className =(tObj.className=='hid') ? "show" : "hid";
	}
	else
	{
	   if(tObj) tObj.className = "show";
	}
	if(cache_id != id)
	{
		cache_id = id;
	    if(cObj)cObj.className = "hid";
	}
	event.cancelBubble = true;
}

function Selected(Id)
			{
				document.getElementById("SelectedID").value = Id
				document.getElementById("btn_" + Id).className = "menubtn_active";
				document.getElementById("link" + Id).className = "Link1";
			}
			function mouseOver(Id)
			{
				if (document.getElementById("SelectedID").value!=Id){
					document.getElementById("btn_" + Id).className = "menubtn_hover";
					document.getElementById("link" + Id).className = "Link";							
				}
			}
			function mouseOut(Id)
			{
			    if (document.getElementById("SelectedID").value!=Id){			
					document.getElementById("btn_" + Id).className = "menubtn";	
					document.getElementById("link" + Id).className = "Link";				
				}
			}