function calculateHeight()
{
    var contentHeight = 0;

    // get the height of the 3 columns and set contentheight to the largest value
    if (document.getElementById('banners')) {
        contentHeight = document.getElementById('banners').offsetHeight;
    }

    if (document.getElementById('content')) {
        if (document.getElementById('content').offsetHeight > contentHeight) {
            contentHeight = document.getElementById('content').offsetHeight;
        }
    }

    if (document.getElementById('content_right')) {
        if (document.getElementById('content_right').offsetHeight > contentHeight) {
            contentHeight = document.getElementById('content_right').offsetHeight;
        }
    }

    contentHeight += 35;

    // put the opacity div heights
    document.getElementById('content_left_background').style.height = contentHeight + "px";
    document.getElementById('content_left_wrapper').style.height = contentHeight + "px";
    document.getElementById('content_left').style.height = contentHeight + "px";

    document.getElementById('content_right_background').style.height = contentHeight + "px";
    document.getElementById('content_right_wrapper').style.height = contentHeight + "px";
    document.getElementById('content_right').style.height = contentHeight + "px";
}

function open_menu(menu, clickedItem)
{
    menu.style.display = 'block';
    clickedItem.style.background = '#0054A4';

}

function close_menu(menu, clickedItem)
{
    menu.style.display = 'none';
    clickedItem.style.background = '#A0CBED';
}

function FocusCol(obj)
{
	if (document.getElementById ||
		document.all)
	{
		obj.style.color="#000000";
		obj.style.backgroundColor="#FFFFFF";
		obj.style.fontWeight="normal";
		}
	}
	
function BlurCol(obj)
{
	if (document.getElementById ||
		document.all)
	{
		obj.style.color="#666666";
		obj.style.backgroundColor="#EFEDE7";
		obj.style.fontWeight="normal";
		}
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}