var imagini = new Array;
var preload = new Image;
var nr_imagini = 0;
var defaultFontSize = 70;
var currentFontSize = defaultFontSize;


for(i=0; i<document.images.length; i++) adaugaImagine(document.images[i]);

function adaugaImagine(obj)
{
	if(obj.id != "")
	{
		aux_string = obj.src;
		pos = aux_string.lastIndexOf("_");
		aux_string = aux_string.substring(0,pos) + "_1" + aux_string.substr(aux_string.length - 4);
		nr_imagini = imagini.length;
		imagini[nr_imagini] = new Array;
		imagini[nr_imagini][0] = obj.id;
		imagini[nr_imagini][1] = obj.src;
		imagini[nr_imagini][2] = aux_string;
		preload.src = aux_string;
		nr_imagini++;
	}
}

function overApply(obj)
{
	gasit = false;
	for(i=0; i<imagini.length; i++)
			if(obj.id == imagini[i][0]) 
			{
				obj.src = imagini[i][2];
				gasit = true;
				break;
			}
	if(!gasit)		
	{
		adaugaImagine(obj);
		overApply(obj);
	}
}

function outApply(obj)
{
	for(i=0; i<imagini.length; i++)
			if(obj.id == imagini[i][0]) 
			{
				obj.src = imagini[i][1];
				break;
			}
}

function changeFontSize(sizeDifference)
{
	currentFontSize = parseInt(currentFontSize) + parseInt(sizeDifference * 5);
	if(currentFontSize > 100)
	{
		currentFontSize = 100;
	}
	else if(currentFontSize < 60)
	{
		currentFontSize = 60;
	}
	setFontSize(currentFontSize);
}

function setFontSize(fontSize)
{
	var stObj = (document.getElementById) ? document.getElementById('content_area') : document.all('content_area');
	document.body.style.fontSize = fontSize + '%';
}

function changeZIndex(val)
{
	var obj = document.getElementById("header_div");
	if(!obj) return;
	obj.style.zIndex = val;
}