//*********************************************
function highlight_menus()
{
	var this_url = this.location.href.replace(/([^\?]*)\?(.*)$/,'$1');
	//var query = RegExp.$2;
	
	var menu_left_obj = getObj('left_menu');	
	var page_link_obj = getObj('page_link');
	var page_link_url;
	if(page_link_obj) page_link_url = page_link_obj.getElementsByTagName('A')[0];
	if(page_link_url) page_link_url = page_link_url.href;

	if(menu_left_obj){
		var a_col = menu_left_obj.getElementsByTagName('A');
		for(i=0;i<a_col.length;i++)
			if(a_col[i].href == (page_link_url ? page_link_url : this_url)){
				img = a_col[i].getElementsByTagName('IMG')[0];
				if(img){
					change_to_mouseover(img,0);
					break;
				}
			}
	}
}

//*********************************************
function change_to_mouseover(obj,enable_onclick)
{
	if(obj.onmouseover) obj.onmouseover();
	obj.onmouseout = null;
	if(!enable_onclick){
		obj.style.cursor = 'default';
  	obj.onclick=function(){return false;};
  }
}

//*********************************************
function getObj(obj_name)
{
	return document.getElementById ? document.getElementById(obj_name) : eval(obj_name);
}