function rowne_kolumny()
	{

	var LeftDiv = document.getElementById("left").offsetHeight;
	var RightDiv = document.getElementById("main_center_middle").offsetHeight;
	
	//LEWA STRONA
	if (LeftDiv>RightDiv)
		{
		document.getElementById("content_text").style.height = LeftDiv+'px'; 
		document.getElementById("main_center_middle").style.height = LeftDiv+'px'; 
		}
	}