function equalColumns(column1, column2){

	var height1 = document.getElementById(column1).height;
	var height2 = document.getElementById(column2).height;
	
	height1=180;
	height2=190;
	
	if(height1 < height2)
		document.getElementById(column1).style.height = height2+"px";
	else if(height1 > height2)
		document.getElementById(column2).style.height = height1+"px";

}