// JavaScript Document<script type="text/javascript">
function resizeImg() {

		var mybg = document.getElementById('mybgimg');
		var winW = (window.innerWidth) ? window.innerWidth : document.body.offsetWidth;
		var winH = (window.innerHeight) ? window.innerHeight : document.body.offsetHeight;
		var newImgH = 0;
		var newImgW = 0;
		var imgW = mybg.getAttribute('width');
		var imgH = mybg.getAttribute('height');
		var winR = winW/winH
		var oldRatio = imgW/imgH;
		var newRatio;
		
		
		if(winR <= oldRatio)
			{
				newImgH = winH;
				newImgW = Math.round(winH * (imgW/imgH));
			}
		else
			{
				newImgH = Math.round(winW * (imgH/imgW));
				newImgW = winW;
			}
		newRatio = newImgW/newImgH;
				
		
		  //document.write("width = " + winW + " and height = " + winH + "<br />");
		  //document.write("pic width = " + imgW + " and height = " + imgH + "<br />");
		  //document.write("new pic width = " + newImgW + " and height =" + newImgH + "<br />");
		  //document.write("window ratio = " + (winW/winH) + "<br />");
		  //document.write("Old Pic ratio = " + oldRatio + "<br />");
		  //document.write("New Pic ratio = " + newRatio + "<br />");
		

		//mybg.style.height = null;
		//mybg.style.width = null;

		//(winH <= winW) ? mybg.style.height = winH + 'px' : mybg.style.width = winW + 'px';

		  mybg.setAttribute('width',newImgW);
		  mybg.setAttribute('height',newImgH);
	}

	window.onload = resizeImg;
	window.onresize = resizeImg;