// 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;    
		}    
	}    
}      