function preloader()
{
	var args = preloader.arguments;
	var imgObj = new Image();
	
	for (var i=0; i<args.length; i++)
	{
  		imgObj.src = args[i];
	}
}

function autoTab(currentId,max,nextId){
	var current = document.getElementById(currentId);
	var next = document.getElementById(nextId);
	if (current.value.length==max) next.focus();
}