var flag=false;
function drawimage(imgd){
	
	/*var link1 = document.createelement("a");    
    link1.href = imgd.src; link1.target = "_blank";    
    imgd.parentnode.insertbefore(link1,imgd);     
    link1.appendchild(imgd);*/


   var image=new image();
   image.src=imgd.src;
   if(image.width>0 && image.height>0){
    flag=true;

      if(image.width>900){
        imgd.width=900;
        imgd.height=math.round(900/(image.width/image.height));
      }
	  else{
        imgd.width=image.width;
        imgd.height=image.height;
      }
	  
   }
}