function init()
{
	var test = new Image();
	var tmp = new Date();
	var suffix = tmp.getTime();
	test.src = "image.php?text=Food&timestamp="+suffix;
	test.onload = imageReplacement();
	//alert("testing 123");
}

function imageReplacement()
{
	replaceThem(document.getElementsByTagName('h1'), 'H1');
	replaceThem(document.getElementsByTagName('h2'), 'H2');
	replaceThem(document.getElementsByTagName('b'), 'H3');
}

function replaceThem(x, elem)
{
	var replace = document.createElement('img');
	for (var i=0;i<x.length;i++)
	{
		if (x[i].title)
		{
			var y = replace.cloneNode(true);
			//y.src = 'pix/' + x[i].id + '.png';
			y.src = '/image.php?text=' + x[i].title + '&size=' + elem; 
			y.alt = x[i].firstChild.nodeValue;
			x[i].replaceChild(y,x[i].firstChild);
		}
	}
}