var flag=false; 


function setImgSize(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>h){
    ImgD.width=w; 
    ImgD.height=(image.height*h)/image.width; 
   }else{ 
    ImgD.width=image.width;
    ImgD.height=image.height; 
   } 
   /*ImgD.alt="bigpic" */
} 
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="bigpic" */ 
} 
}
}