function externalLinks() {
	if (!document.getElementsByTagName) return;
	var anchors = document.getElementsByTagName("a");
	for (var i=0; i<anchors.length; i++) {
		var anchor = anchors[i];
		if (anchor.getAttribute("href") && anchor.getAttribute("rel") == "external") anchor.target = "_blank";
	}
}

function findPosY(obj)
{
	var curtop = 0;
	if (obj.offsetParent)
	{
		while (obj.offsetParent)
		{
			curtop += obj.offsetTop
			obj = obj.offsetParent;
		}
	}
	else if (obj.y)
		curtop += obj.y;
	return curtop;
}

function resizeDiv(){
	windowHeight  = document.documentElement.offsetHeight;
	
	
	ContentDiv = document.getElementById("content");
	ContentDivTop = findPosY(ContentDiv);
	ContentDiv.style.height = windowHeight - (ContentDivTop + 70) + "px";
}
window.onload = function(){ 
	externalLinks()
	resizeDiv()
}