var imageSizeMin 	= 50;
var imageSizeMax 	= 70;
var padding 	 	=   3;
var	waitTime	 	=   1;
var imgsTimerBig 	= new Array();
var imgsTimerSmall 	= new Array();

function imageBig(imgId)
{
	clearTimeout(imgsTimerSmall[imgId]);
	
	img = document.getElementById(imgId);
	if ( img.width < imageSizeMax ) 
	{
		img.width = img.width + padding;
		imgsTimerBig[imgId] = setTimeout('imageBig("'+ imgId +'");', waitTime);
	}
}

function imageSmall(imgId)
{
	clearTimeout(imgsTimerBig[imgId]);

	img = document.getElementById(imgId);
	if ( img.width > imageSizeMin ) 
	{
		img.width = img.width - padding;
		imgsTimerSmall[imgId] = setTimeout('imageSmall("'+ imgId +'");', waitTime);
	}
}