var maxNoOfTexts = 6;
var textOn = 0;

function displayInitialText() {
	if(location.hash != "")
		showText(location.hash.replace("#",""));
}

function showText(i) {
	if (textOn != i) {
		hideTexts();
		document.getElementById('text' + i).style.display = 'block';		
		textOn = i;
	} else {
		document.getElementById('text' + i).style.display = 'none';
		textOn = 0;
	}
}
function hideTexts() {
	for (i=1;i<=maxNoOfTexts;i++) {
		if (document.getElementById('text' + i)) {
			document.getElementById('text' + i).style.display = 'none';
		}
	}
}

function imgOn(imgName) {
	if (document.images) { 		
		document[imgName].src = eval(imgName + "on.src");        
	}	
}
function imgOff(imgName) {
	if (document.images) { 
		document[imgName].src = eval(imgName + "off.src");        
	}	
}

function increaseLineThickness(e) {
	document.getElementById(e).style.borderBottomWidth = '2px';
}
function decreaseLineThickness(e) {
	document.getElementById(e).style.borderBottomWidth = '1px';
}