// JavaScript Document
//this javascript is used to stretched the image background of the document

function changeDivHeight() {
	startHeight = 1000;
	document.getElementById('middle-background-image').style.height= startHeight + 'px';
	divHeight=document.getElementById('middle-content_bs').offsetHeight;
	backHeight=divHeight + 30;
	document.getElementById('middle-background-image').style.height=backHeight + 'px';
}