window.onload = function(){
	$$('.external').addEvent('click', function(ev){
			window.open(this.href); new Event(ev).stop(); return; });
		}
	
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 contentHeight=
            document.getElementById('wrap').offsetHeight;
            var footerElement=document.getElementById('footer');
            var footerHeight=footerElement.offsetHeight;
        if (windowHeight-(contentHeight+footerHeight)>=0) {
            footerElement.style.position='relative';
            footerElement.style.top= (windowHeight-(contentHeight+footerHeight))+'px';
        }
        else {
            footerElement.style.position='static';
        }
       }
      }
}

window.onload = function() {
	setFooter();
}
window.onresize = function() {
	setFooter();
}