// function for adding onload events
function addLoadEvent(func) {
	var oldonload = window.onload;
	if (typeof window.onload != 'function') {
		window.onload = func;
	} else {
		window.onload = function() {
			oldonload();
			func();
		}
	}
}

function openVideo(){
	var video = document.getElementById('video');
	if(video){ 
		video.onclick = function(){
			var url = video.getAttribute('href');
			window.open(url,'mywindow','width=680,height=520');	
			return false;
		}
	}
}

addLoadEvent(openVideo);