$(function(){

// set equal height to columns
	var splitheight=0;
	splitheight=$('#leftbox').height();
	if ($('#content').height() > splitheight)
		{ 
		splitheight=$('#content').height();
		$('#leftbox').height(splitheight);
		}
	else
		{
		$('#content').height(splitheight);
		}
	if ($('#rightbox').height() +320 > splitheight)
		{ 
		splitheight=$('#rightbox').height()+320;
		$('#leftbox').height(splitheight);
		$('#content').height(splitheight);
		}
	else
		{
		$('#rightbox').height(splitheight);
		}

});