function resize_iframe()
{

	var height=window.innerWidth;//Firefox
	if (document.body.clientHeight)
	{
		height=document.body.clientHeight;//IE
	}
	
	document.getElementById("rightContent").style.height = parseInt(height-680)+"px";
	//document.getElementById("mainContent").style.min-height = parseInt(height)+"px";
	
}
window.onresize=resize_iframe;