var TextZoom = new Object();

TextZoom.In = function()
{
	for(var i=0; i<arguments.length; i++)
	{
		var id = arguments[i];
		var currentSize = parseInt(document.getElementById(id).style.fontSize);
		
		if(currentSize < 20)
		{
			document.getElementById(id).style.fontSize = (currentSize+1)+'px';
			
			var currentLineHeight = parseInt(document.getElementById(id).style.lineHeight);
			document.getElementById(id).style.lineHeight = (currentLineHeight+1)+'px';
		}
	}
}

TextZoom.Out = function()
{
	for(var i=0; i<arguments.length; i++)
	{
		var id = arguments[i];
		var currentSize = parseInt(document.getElementById(id).style.fontSize);
	
		if(currentSize > 14)
		{
			document.getElementById(id).style.fontSize = (currentSize-1)+'px';
				
			var currentLineHeight = parseInt(document.getElementById(id).style.lineHeight);
			document.getElementById(id).style.lineHeight = (currentLineHeight-1)+'px';
		}
	}
}