window.onresize = findWindowDim;
function findWindowDim(){
	var bodyHeight = document.getElementById('body').offsetHeight;
	var objFooter = document.getElementById('footer');

		footerTop = bodyHeight-15;
		footerTopPx = footerTop+"px";
		objFooter.style.top = footerTopPx;
		objFooter.style.height = ((document.body.clientHeight - bodyHeight)+15)+"px";
}

function pop() {
	if (document.form.defaultI.checked) {
		document.form.textUrl.value='http://www.node99.org/denature/pub/trecontext/input/1ddcc10.txt';
	} else{
		document.form.textUrl.value='';
	}
}

function pop2() {
	if (document.form.defaultJ.checked) {
		document.form.imageUrl.value='http://www.node99.org/denature/pub/trecontext/input/butterfly.jpg';
	} else {
		document.form.imageUrl.value='';} 
	}