// JavaScript Document


// JavaScript Document
function getheight ( container )
{
	var containerdivheight = containerdiv2height = 0;
	
	if( container.scrollHeight )
    {
      	   containerdivheight = container.scrollHeight; 
	}
	
	if ( container.clientHeight )
	{
		  containerdiv2height = container.clientHeight;
	}
	else if( container.offsetHeight )
    {
      	   containerdiv2height = container.offsetHeight; 
	}
	
	if ( containerdiv2height > containerdivheight)
		return containerdiv2height;
	else
		return containerdivheight;
}


function resize ( column, size )
{
	column.style.height = size + 'px';
}


function resizeColumns()
{
	var cont = document.getElementsByTagName ('html')[0];
	var contHeight  = getheight ( cont );

	var mid = $E('middle');
	midHeight = getheight ( mid );

	if (midHeight < contHeight -270 ) 
	{
		resize ( mid,contHeight -270 );
		resize( $E('colmiddle') ,contHeight -270 );
		resize( $E('colleft') , contHeight -270 );
	}
	else
	{
		var mid2 = $E('colmiddle');
		midh = getheight ( mid2 );
		resize( $E('colleft'), midh );
	}
}

window.onresize = resizeColumns;