var ns,ie  
var menubg 
ns = (document.layers)? true:false   
ie = (document.all)? true:false   
/* Divs = new Array();  
 Divs[0] = new l_menuid('a0');  
 Divs[1] = new l_menuid('a1');  
 Divs[2] = new l_menuid('a2');  
 Divs[3] = new l_menuid('a3'); 
  
function l_menuid(id){  
	this.id = id;  
	return this;  
}  */
			 
function l_getobj(obj){ 
	if(typeof(obj)=='string'){
	  if(ie)
			return eval('document.all.'+obj+'.style'); 
		else 
			return eval('document.obj');  
	}else{
		if(ie)
			return eval('obj.style');
		else
			return obj;
	} 
} 
				
function Menu_hide(objName) { 
	var obj = l_getobj(objName);
	obj.visibility = 'hidden'; 
}   

function Menu_show(objName){
	var obj = l_getobj(objName);   	
	obj.visibility = 'visible';
} 
				  
function Menu_hideall(){ 
	try{
		var i=1;
		while(1){   
			Menu_hide("D"+i++);			
		}
	}
	catch(e){}  
} 

function swapbg(p_obj,p_pos,p_type) {
	if(p_pos=='item') {
		if(p_type == 'on') p_obj.bgColor='#D2D2D2';
		if(p_type == 'off') p_obj.bgColor='#EEEEEE';
	}
	if(p_pos=='top') {
		if(p_type == 'on') {
			menubg = p_obj.bgColor;
			p_obj.bgColor='#D2D2D2';
		}
		if(p_type == 'off') p_obj.bgColor=menubg;
	}
}