function __windowOnLoad()
{
	h1 = document.getElementById('id_page').offsetHeight;
	h2 = document.getElementById('c_left').offsetHeight;

	
	if(h2 < h1 - 526)
	{
		document.getElementById('c_left').style.height = (h1 - 1) + 'px';
	}
	else
	{
		document.getElementById('id_page').style.height = (h2 + 366) + 'px';
	}
}

if (window.addEventListener) //DOM method for binding an event
	window.addEventListener("load", __windowOnLoad, false)
else if (window.attachEvent) //IE exclusive method for binding an event
	window.attachEvent("onload", __windowOnLoad)
else if (document.getElementById) //support older modern browsers
	window.onload=__windowOnLoad;