// JavaScript Document
function xs(j,n){
  for(i=1;i<=n;i++){   
  var menu=document.getElementById("a"+i);   
  menu.style.backgroundImage=i==j?"/public/images/ar_h_"+j+".png":"/public/images/ar_v_"+j+".png";   
 }   
}
function kf(j,n){
  for(i=1;i<=n;i++){   
  var menu=document.getElementById("kfbox"+i);
  var obj=document.getElementById("kf"+i);
  obj.className=i==j?"sel":"";
  menu.style.display=i==j?"block":"none";
 }   
}

function setnva(j,n){
	for(i=1;i<=n;i++){   
  var menu=document.getElementById("nv"+i);
  menu.style.display=i==j?"block":"none";
 }   
	}
function opendiv(i){
	document.getElementById("nv"+i).style.display="block";
	}
	
function showimg(j,n){
	for(i=1;i<=n;i++)
	document.getElementById("im"+i).style.display="none";
	
	document.getElementById("im"+j).style.display="block";
	   
	}
// JavaScript Document
//按比例缩放图片
function DrawImage(ImgD,FitWidth,FitHeight) 
{ 
var image=new Image(); 
image.src=ImgD.src; 
if(image.width>0 && image.height>0) 
{ 
if(image.width/image.height>= FitWidth/FitHeight) 
{ 
if(image.width>FitWidth) 
{ 
ImgD.width=FitWidth; 
ImgD.height=(image.height*FitWidth)/image.width; 
} 
else 
{ 
ImgD.width=image.width; 
ImgD.height=image.height; 
} 
} 
else 
{ 
if(image.height>FitHeight) 
{ 
ImgD.height=FitHeight; 
ImgD.width=(image.width*FitHeight)/image.height; 
} 
else 
{ 
ImgD.width=image.width; 
ImgD.height=image.height; 
} 
} 
} 
}