var isNS4;
	var isIE4;
	var isIE5;
	var isNS6;
	var isDOM;
	
	function browdet(){
		isIE4 = (document.all && !document.getElementById) ? true : false;
		isIE5 = (document.all && document.getElementById) ? true : false;
		isNS6 = (!document.all && document.getElementById) ? true : false;
		isDOM = (isIE5 || isNS6) ? true:false;
		if (isIE4==false&&isIE5==false&&isNS6==false&&isDOM==false){
		isNS4 = true;
		}
		return;
	}
	
	browdet();
	
	function showLayer(self,step){
		if(isDOM){
			selfdivObj=document.getElementById(self).style;
			stepdivObj=document.getElementById(step).style;
			selfdivObj.visibility="hidden";
			stepdivObj.visibility="visible";
		}
		if(isNS4){
			//alert(self+" "+step);
			selfdivObj=eval("document."+self);
			stepdivObj=eval("document."+step);
			//alert(selfdivObj+" "+stepdivObj);
			selfdivObj.visibility="hide";
			stepdivObj.visibility="show";
		}
		if(isIE4){
			selfdivObj=eval("document.all."+self+".style");
			selfdivObj=eval("document.all."+step+".style");
			selfdivObj.visibility="hidden";
			stepdivObj.visibility="visible";
		} 
		
	}
	
	function map(town){
	 mapwin = window.open(path + "mappopup.php?detail=0&town="+town,"mapwin", "toolbar=yes,status=no,scrollbars=no,resizable=no,location=no,menubar=no,directories=no,width=691,height=482");
	}	
	
	function slideshow(num){
	 slidewin = window.open(path + "slideshow/slideshow.php","slidewin", "toolbar=yes,status=no,scrollbars=no,resizable=no,location=no,menubar=no,directories=no,width=691,height=482");
	}
	
	function redir(url){
		neuwin = window.open(url,"_blank");
		return; 
	}
	
	function popup(param){
			if (param==1){
			var l = screen.width/2-150;
			var t = screen.height/2-112;
			newwin=window.open("movie/large.html","large","width=300,height=270,status=no,location=no,resizable=no,scrollbars=no,left="+l+",top="+t+"");
			}
			else{
			var l = screen.width/2-85;
			var t = screen.height/2-65;
			newwin=window.open("movie/small.html","small","width=160,height=155,status=no,location=no,resizable=no,scrollbars=no,left="+l+",top="+t+"");
			}
		}