function swapTab(tab, displayProperty) {
	if (document.getElementById) {
		if (document.getElementById('tabNav') != "") {
			document.getElementById('tabNav').className = tab;
		}
  } 

	if (document.getElementById('content_swapper_' + displayProperty)) {
		for (var j=1; j <= 3; j++) {
			if (document.getElementById('content_swapper_' + j)) {
				document.getElementById('content_swapper_' + j).style.position = 'absolute';
				document.getElementById('content_swapper_' + j).style.visibility = 'hidden';
			}
		}

		document.getElementById('content_swapper_' + displayProperty).style.position = 'static';
		document.getElementById('content_swapper_' + displayProperty).style.visibility = 'visible';
	}
}

function swapTab2(tab, displayProperty) {
	if (document.getElementById) {
		if (document.getElementById('tabNav2')!="") {
			document.getElementById('tabNav2').className = tab;
		}
  }
	
	if (document.getElementById('content_swapper_' + displayProperty)) {
		for (var j=3; j <= 4; j++) {
			if (document.getElementById('content_swapper_' + j)) {
				document.getElementById('content_swapper_' + j).style.position = 'absolute';
				document.getElementById('content_swapper_' + j).style.visibility = 'hidden';
			}
		}

		document.getElementById('content_swapper_' + displayProperty).style.position = 'static';
		document.getElementById('content_swapper_' + displayProperty).style.visibility = 'visible';
	}
}

function swapTab3(tab, displayProperty) {
	if (document.getElementById) {
		if (document.getElementById('tabNav3')!="") {
			document.getElementById('tabNav3').className = tab;
		}
  } 
	
	if (document.getElementById('content_swapper_' + displayProperty)) {
		for (var j=5; j <= 7; j++) {
			if (document.getElementById('content_swapper_' + j)) {
				document.getElementById('content_swapper_' + j).style.position = 'absolute';
				document.getElementById('content_swapper_' + j).style.visibility = 'hidden';
			}
		}
		
		document.getElementById('content_swapper_' + displayProperty).style.position = 'static';
		document.getElementById('content_swapper_' + displayProperty).style.visibility = 'visible';
	}
}

function swapTab4(tab, displayProperty) {
	if (document.getElementById) {
		if (document.getElementById('tabNav4')!="") {
			document.getElementById('tabNav4').className = tab;
		}
  } 
	
	if (document.getElementById('content_swapper_' + displayProperty)) {
		for (var j=8; j <= 10; j++) {
			if (document.getElementById('content_swapper_' + j)) {
				document.getElementById('content_swapper_' + j).style.position = 'absolute';
				document.getElementById('content_swapper_' + j).style.visibility = 'hidden';
			}
		}
		
		document.getElementById('content_swapper_' + displayProperty).style.position = 'static';
		document.getElementById('content_swapper_' + displayProperty).style.visibility = 'visible';
	}
}

function openBrWindow(theURL,winName,features) { //v2.0
	window.open(theURL,winName,features);
}
	
function rollOver(imageName, imageFile) {
	document.images[imageName].src= "/pdn/images/"+imageFile+".gif";
}