function resize_frame(){
/*	alert('height = '+ document.getElementById('contentFrame').height +' Scroll Height = '+window.frames["contentFrame"].document.body.scrollHeight);
*/
	//alert(window.frames["contentFrame"].document.body.height);
if ( window.frames["contentFrame"].document.body.scrollHeight <= 600) {	
	document.getElementById('contentFrame').height=600;
	} else 
		{
		document.getElementById('contentFrame').height=window.frames["contentFrame"].document.body.scrollHeight;
		}
		//alert(document.getElementById('contentFrame').height);
}