/*app-specific javascript goes here */
/* footer script */

function getWindowHeight() {
		var windowHeight = 0;
		if (typeof(window.innerHeight) == 'number') {
			windowHeight = window.innerHeight;
		}
		else {
			if (document.documentElement && document.documentElement.clientHeight) {
				windowHeight = document.documentElement.clientHeight;
			}
			else {
				if (document.body && document.body.clientHeight) {
					windowHeight = document.body.clientHeight;
				}
			}
		}
		return windowHeight;
	}




function setFooter() {
 if (document.getElementById) {
  var windowHeight = getWindowHeight();
  if (windowHeight > 0) {
   var contentmainHeight = document.getElementById('upperbody').offsetHeight;
   var footerElement = document.getElementById('footer');
   var footerHeight  = footerElement.offsetHeight;
   if (windowHeight - (contentmainHeight + footerHeight) >= 0) {
    footerElement.style.position = 'relative';
    footerElement.style.top = (windowHeight - (contentmainHeight + footerHeight)) + 'px';
   }
   else {
   footerElement.style.position = 'static';
   }
  }
 }
}