var imgDiv1;
var imgDiv2;
function replaceImageInit(){
  imgDiv1=document.getElementById('imgs1');
  imgDiv2=document.getElementById('imgs2');  
  document.getElementById("imgs1").style.height="123px";
  document.getElementById("imgs2").style.height="123px";   
  //document.getElementById("images_section").style.height="300px";
 // document.getElementById("images_section").style.border="2px solid yellow"; 
     
  }
  function replaceImages(imgs1, imgs2){
   		imgDiv1.style.backgroundImage = 'url('+imgs1+')';
		imgDiv2.style.backgroundImage = 'url('+imgs2+')'; 		
		 	
  }