function showPic(pic){

  	var tempimg = new Image();
  	tempimg.src = pic;
	
	wHeight=tempimg.height+40;
	wWidth=tempimg.width+40;

	URLtoOpen = pic;
	windowFeatures = 'height='+wHeight+',width='+wWidth+',scrollbars=yes,resizable=yes,toolbar=no';
	windowName = 'popup1';

	window.open(URLtoOpen,windowName,windowFeatures);
}