var flag=false; 
function DrawImage(ImgD,wid,hei){ 
	var image=new Image(); 
	image.src=ImgD.src;
	if(image.width>0 && image.height>0){ 
		flag=true; 
		if(image.width/image.height>= wid/hei){
			if(image.width>wid){
				ImgD.width=wid; 
				ImgD.height=(image.height*wid)/image.width;
			}
			else{
				ImgD.width=wid;
				ImgD.height=(image.height*wid)/image.width;
			}
		}
		else{
			if(image.height>hei){
				ImgD.height=hei; 
				ImgD.width=(image.width*hei)/image.height;
			}
			else{ 
				ImgD.height=hei
				ImgD.width=(image.width*hei)/image.height; 
			} 
		}
	}
	ImgD.alt=ImgD.width+"x"+ImgD.height;
}