function setTab(cursel,n){   
 for(i=1;i<=n;i++){   
  var menu=document.getElementById("box"+i);   
  var obj=document.getElementById("sel"+i);   
  menu.style.display=i==cursel?"block":"none";  
   obj.className=i==cursel?"sel":"";
 }   
}   

// JavaScript Document
//???????
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; 
} 
} 
} 
} 

function check(){
	if(document.getElementById("Sort").value=="" && document.getElementById("keyword").value==""){
		alert("???????????")
		document.getElementById("keyword").focus();
		return false
		}
	return true
	}// JavaScript Document