// JavaScript Document  
var  flag=false;    
function  DrawImage(ImgD,w,h){    
var  image=new  Image();    
image.src=ImgD.src;    
if(image.width>0  &&  image.height>0)
{    
	flag=true;    
	if(image.width/image.height>=  w/h)
	{    
		if(image.width>w){        
			ImgD.width=w;    
			ImgD.height=(image.height*w)/image.width;    
		}else{    
			ImgD.width=image.width;        
			ImgD.height=image.height;    
		}    
		ImgD.alt=image.width+"×"+image.height;    
	}    
	else{    
		if(image.height>h)
		{        
			ImgD.height=h;    
			ImgD.width=(image.width*h)/image.height;              
		}else{    
			ImgD.width=image.width;        
			ImgD.height=image.height;    
		}    
			ImgD.alt=image.width+"×"+image.height;    
		}    
	}    
}