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;         
				}       
			}    
		}
	}