var lastActiveCell = 'cell1';
function changeActiveCell(active)
	{
	//var ac = document.getElementById(lastActiveCell);
	var hide_div_name = lastActiveCell+"_select";
	
	removeElem(hide_div_name);
	//ac.className = "passiveCell";
	
	var show_div_name = active+"_select";
	putElem(show_div_name);
	
	//document.getElementById(active).className = "activeCell";
	lastActiveCell = active;
	}