var tempIFrame = null;
var listTable = null;
var backTable = null;
function setHeight(url) {
	if(tempIFrame == null) {
		tempIFrame=document.createElement('iframe');
		tempIFrame.style.background='#CCC';
		tempIFrame.style.border='0px';
		tempIFrame.style.marginTop='308px';
		tempIFrame.style.position='absolute';
		tempIFrame.style.top='0px';
		tempIFrame.style.left='0px';
		tempIFrame.style.width='100%';
		tempIFrame.style.height='100%';
		tempIFrame.src=url;
		IFrameObj = document.body.appendChild(tempIFrame);
		//var sh = tempIFrame.clientHeight;
		var sh = document.documentElement.clientHeight //tempIFrame.scrollHeight;
		tempIFrame.style.height = (sh - 308)+'px';
		listTable = document.getElementById('list');
		backTable = document.getElementById('back');
	}
	else {
		tempIFrame.src='/images2/1x1.gif';
	}
	tempIFrame.src=url;
	tempIFrame.style.display='block';
	backTable.style.display = 'block';
	listTable.style.display = 'none';
}
function hideFrame() {
	tempIFrame.style.display='none';
	backTable.style.display = 'none';
	listTable.style.display = 'block';
}