function checkHeight()
{
	if(document.getElementById('primary') && document.getElementById('secondary'))
	{
		var primary_client_height=document.getElementById('primary').clientHeight;
		var secondary_client_height=document.getElementById('secondary').clientHeight;
		//alert(primary_client_height+","+secondary_client_height);
		
		if(primary_client_height!=secondary_client_height)
		{
			document.getElementById('secondary').style.minHeight=(primary_client_height)+'px';
			
			if (!window.XMLHttpRequest)
			{
				document.getElementById('secondary').style.height=(primary_client_height)+'px';
				document.getElementById('primary').style.height=(primary_client_height)+'px';
				
				/*if(document.getElementById('primary_bottom_bg'))
				{
					document.getElementById('primary_bottom_bg').style.bottom='-3px';
				}
				else if(document.getElementById('primary_bottom_bg2'))
				{
					document.getElementById('primary_bottom_bg2').style.bottom='-3px';
				}*/
			} 
		}
		/*else
		{
			document.getElementById('secondary').style.minHeight=(primary_client_height)+'px';
		}*/
	}	
}

window.onload=function(){checkHeight();}