function openWindow (url, name, extras) {
	newWindow = window.open(url, name, extras);
	newWindow.focus();
}

var cur_lyr;	// holds id of currently visible layer
function swapLayers(id) {
	if (cur_lyr) hideLayer(cur_lyr);
	showLayer(id);
	cur_lyr = id;
}

function showLayer(id) {
	var lyr = getElemRefs(id);
	if (lyr && lyr.css) lyr.css.visibility = "visible";
}

function hideLayer(id) {
	var lyr = getElemRefs(id);
	if (lyr && lyr.css) lyr.css.visibility = "hidden";
}

function getElemRefs(id) {
	var el = (document.getElementById)? document.getElementById(id): (document.all)? document.all[id]: (document.layers)? document.layers[id]: null;
	if (el) el.css = (el.style)? el.style: el;
	return el;
}


	/************************************************************************************************************
	(C) www.dhtmlgoodies.com, October 2005

	This is a script from www.dhtmlgoodies.com. You will find this and a lot of other scripts at our website.

	Updated:
		March, 11th, 2006 - Fixed positioning of tooltip when displayed near the right edge of the browser.
		April, 6th 2006, Using iframe in IE in order to make the tooltip cover select boxes.

	Terms of use:
	You are free to use this script as long as the copyright message is kept intact. However, you may not
	redistribute, sell or repost it without our permission.

	Thank you!

	www.dhtmlgoodies.com
	Alf Magne Kalleland

	************************************************************************************************************/
	var dhtmlgoodies_tooltip = false;
	var dhtmlgoodies_tooltipShadow = false;
	var dhtmlgoodies_shadowSize = 4;
	var dhtmlgoodies_tooltipMaxWidth = 200;
	var dhtmlgoodies_tooltipMinWidth = 100;
	var dhtmlgoodies_iframe = false;
	var tooltip_is_msie = (navigator.userAgent.indexOf('MSIE')>=0 && navigator.userAgent.indexOf('opera')==-1 && document.all)?true:false;
	function showTooltip(e,tooltipTxt) {

		var bodyWidth = Math.max(document.body.clientWidth,document.documentElement.clientWidth) - 20;

		if(!dhtmlgoodies_tooltip){
			dhtmlgoodies_tooltip = document.createElement('DIV');
			dhtmlgoodies_tooltip.id = 'dhtmlgoodies_tooltip';
			dhtmlgoodies_tooltipShadow = document.createElement('DIV');
			dhtmlgoodies_tooltipShadow.id = 'dhtmlgoodies_tooltipShadow';

			document.body.appendChild(dhtmlgoodies_tooltip);
			document.body.appendChild(dhtmlgoodies_tooltipShadow);

			if(tooltip_is_msie){
				dhtmlgoodies_iframe = document.createElement('IFRAME');
				dhtmlgoodies_iframe.frameborder='5';
				dhtmlgoodies_iframe.style.backgroundColor='#FFFFFF';
				dhtmlgoodies_iframe.src = '#';
				dhtmlgoodies_iframe.style.zIndex = 100;
				dhtmlgoodies_iframe.style.position = 'absolute';
				document.body.appendChild(dhtmlgoodies_iframe);
			}

		}

		dhtmlgoodies_tooltip.style.display='block';
		dhtmlgoodies_tooltipShadow.style.display='block';
		if(tooltip_is_msie)dhtmlgoodies_iframe.style.display='block';

		var st = Math.max(document.body.scrollTop,document.documentElement.scrollTop);

		var leftPos = e.clientX + 10;

		dhtmlgoodies_tooltip.style.width = null;	// Reset style width if it's set
		dhtmlgoodies_tooltip.innerHTML = tooltipTxt;
		dhtmlgoodies_tooltip.style.left = leftPos + 'px';
		dhtmlgoodies_tooltip.style.top = e.clientY + 10 + st + 'px';

		dhtmlgoodies_tooltipShadow.style.left =  leftPos + dhtmlgoodies_shadowSize + 'px';
		dhtmlgoodies_tooltipShadow.style.top = e.clientY + 10 + st + dhtmlgoodies_shadowSize + 'px';

		if(dhtmlgoodies_tooltip.offsetWidth>dhtmlgoodies_tooltipMaxWidth){	/* Exceeding max width of tooltip ? */
			dhtmlgoodies_tooltip.style.width = dhtmlgoodies_tooltipMaxWidth + 'px';
		}

		var tooltipWidth = dhtmlgoodies_tooltip.offsetWidth;
		if(tooltipWidth<dhtmlgoodies_tooltipMinWidth)tooltipWidth = dhtmlgoodies_tooltipMinWidth;

		dhtmlgoodies_tooltip.style.width = tooltipWidth + 'px';
		dhtmlgoodies_tooltipShadow.style.width = dhtmlgoodies_tooltip.offsetWidth + 'px';
		dhtmlgoodies_tooltipShadow.style.height = dhtmlgoodies_tooltip.offsetHeight + 'px';

		if((leftPos + tooltipWidth)>bodyWidth){
			dhtmlgoodies_tooltip.style.left = (dhtmlgoodies_tooltipShadow.style.left.replace('px','') - ((leftPos + tooltipWidth)-bodyWidth)) + 'px';
			dhtmlgoodies_tooltipShadow.style.left = (dhtmlgoodies_tooltipShadow.style.left.replace('px','') - ((leftPos + tooltipWidth)-bodyWidth) + dhtmlgoodies_shadowSize) + 'px';
		}

		if(tooltip_is_msie){
			dhtmlgoodies_iframe.style.left = dhtmlgoodies_tooltip.style.left;
			dhtmlgoodies_iframe.style.top = dhtmlgoodies_tooltip.style.top;
			dhtmlgoodies_iframe.style.width = dhtmlgoodies_tooltip.offsetWidth + 'px';
			dhtmlgoodies_iframe.style.height = dhtmlgoodies_tooltip.offsetHeight + 'px';
		}

	}

	function hideTooltip() {
		dhtmlgoodies_tooltip.style.display='none';
		dhtmlgoodies_tooltipShadow.style.display='none';
		if(tooltip_is_msie)dhtmlgoodies_iframe.style.display='none';
	}


	<!-- Original:  Ronnie T. Moore -->
	<!-- Web Site:  The JavaScript Source -->

	<!-- Dynamic fix by: Nannette Thacker -->
	<!-- Web Site: http://www.shiningstar.net -->

	<!-- This script and many more are available free online at -->
	<!-- The JavaScript Source!! http://javascript.internet.com -->

	function textCounter(field, countfield, maxlimit, override) {

		var override = override ? override : false;

		// These codes represent 1 character
		var temp = field.value;

		// These codes are for tagging only and don't represent any characters
		//var temp = temp.replace(/\\[biu]/gi,"");

		// Find out how many characters don't count against the total
		var xtrachars = field.value.length - temp.length;

		// if too long...trim it!
		if ( override == false && temp.length > maxlimit) {

			field.value = field.value.substring(0, maxlimit + xtrachars);

			countfield.value = maxlimit - field.value.length;

		// otherwise, update characters left counter
		} else {

			countfield.value = maxlimit - temp.length;

		}

	}