// JavaScript Document
	//Mask the DOM
	if(document.layers){
	pre = 'document.';
	post = '';
	}
	if(document.getElementById){
	pre = 'document.getElementById("';
	post = '").style';
	}
	if(document.all){
	pre = 'document.all.';
	post = '.style';
	}
	//Visibility code
	var currentLayer = 'initialLayer';
	function showLayer(lyr){
		hideLayer(currentLayer);
		eval(pre + lyr + post).visibility = 'visible';
		currentLayer = lyr;
	}
	
	function hideLayer(lyr){
		eval(pre + lyr + post).visibility = 'hidden';
	}
	
	var currentPanel;
	function showPanel(panelNum){
		//hide visible panel, show selected panel, set tab
				  if (currentPanel != null) {
			hidePanel();
		}
		document.getElementById('panel'+panelNum).style.visibility = 'visible';
		currentPanel = panelNum;
		setState(panelNum);
	}
	function hidePanel(){
		//hide visible panel, unhilite tab
		document.getElementById('panel'+currentPanel).style.visibility = 'hidden';
		document.getElementById('tab'+currentPanel).style.backgroundColor = '#ebebeb';
		document.getElementById('tab'+currentPanel).style.color = '#007fc4';
	}
	function setState(tabNum){
		if(tabNum==currentPanel){
			document.getElementById('tab'+tabNum).style.backgroundColor = '#ffffff';
			document.getElementById('tab'+tabNum).style.color = '#007fc4';
		}else{
			document.getElementById('tab'+tabNum).style.backgroundColor = '#ebebeb';
			document.getElementById('tab'+tabNum).style.color = '#007fc4';
		}
	}
	function hover(tab){
		tab.style.backgroundColor = '#b2b3b5';
	}