var window_id = [0,0,0,0,0,1,1,1,1,2,2,2,2,3,3,3,3,4,4,4,4];
var tnode = [0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16];
var tnode_status = [0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0];
var num_windows = 4;
var process = "";

function display_window (which_window)
{
    var i;
	var target;
	var node_elt;
	for(i=1; i<=12; i++) {
        target = 't' + tnode[i];
		node_elt = document.getElementById(target);
		if (window_id[i] == which_window) {
			tnode_status[i] = 1;
			node_elt.className = 'tshow';
		} else {
			tnode_status[i] = 0;
			node_elt.className = 'thide';
		}
	}

}

function display_processing ()
{
    if(document.forms[0].Age.value != "--- Select One --")
    	document.forms[0].submit();
}