var lastdiv='';

function checkBrowser(){
	this.ver=navigator.appVersion
	this.dom=document.getElementById?1:0
	this.ie5=(this.ver.indexOf("MSIE 5")>-1 && this.dom)?1:0;
	this.ie4=(document.all && !this.dom)?1:0;
	this.ns5=(this.dom && parseInt(this.ver) >= 5) ?1:0;
	this.ns4=(document.layers && !this.dom)?1:0;
	this.bw=(this.ie5 || this.ie4 || this.ns4 || this.ns5)
	return this
}
bw=new checkBrowser()

function showhide(div,nest){
	obj=bw.dom?document.getElementById(div).style:bw.ie4?document.all[div].style:bw.ns4?nest?document[nest].document[div]:document[div]:0; 
	if(obj.display=='block' || obj.display=='block') obj.display='none'
	else obj.display='block'
}

function show(div,top,nest){
	//if(!top) if(lastdiv!='') hide(lastdiv);
	obj=bw.dom?document.getElementById(div).style:bw.ie4?document.all[div].style:bw.ns4?nest?document[nest].document[div]:document[div]:0; 

		//obj.position='relative';
		//alert(if(event));
		//alert('clientX='+event.clientX);
		//alert('clientY='+event.clientY);
		//obj.top=event.offsetY+180;
		//if(event.clientX>300){
		// obj.left=300;
		//}else{
		// obj.left=event.clientX;
		//}
	if (parseInt(navigator.appVersion)>3){
		//alert(navigator.appName);
		if (navigator.appName.indexOf("Microsoft")!=-1){
			obj.display='block';
			obj.position='absolute';
			if(!top){
				obj.top=event.offsetY;
				obj.left=(document.body.offsetWidth-500)/2;		
			}else{
				obj.top=event.offsetY+50;
				obj.left=(document.body.offsetWidth-500)/2+50;		
			}
		}else{
			obj.display='block';
			obj.position='fixed';
			if(!top){
				obj.top=200;
				obj.left=(window.innerWidth-500)/2;
			}else{
				obj.top=250;
				obj.left=(window.innerWidth-500)/2+50;
			}
		}
	}
	lastdiv=div;
}

function hide(div,nest){
	obj=bw.dom?document.getElementById(div).style:bw.ie4?document.all[div].style:bw.ns4?nest?document[nest].document[div]:document[div]:0; 
	obj.display='none'
}

function showpop(div,nest){
	obj=bw.dom?document.getElementById(div).style:bw.ie4?document.all[div].style:bw.ns4?nest?document[nest].document[div]:document[div]:0; 
	obj.display='block';
	obj.position='absolute';
}

function hidepop(div,nest){
	obj=bw.dom?document.getElementById(div).style:bw.ie4?document.all[div].style:bw.ns4?nest?document[nest].document[div]:document[div]:0; 
	obj.display='none'
}

function updateall(div){
	if(div!='aa') hide('aa');
	if(div!='bb') hide('bb');
	if(div!='cc') hide('cc');
	if(div!='dd') hide('dd');
	if(div!='ee') hide('ee');
	if(div!='ff') hide('ff');
	if(div!='gg') hide('gg');
	if(div!='hh') hide('hh');
	showhide(div);
}