function resetValue(field) {
field.value = "";
}

function changeImage(field) {
	//var count = 1;
	//count++;
	//field.src = "images/timecard/pic" + count + ".png";
	//filed.title = "sdas";
	
	var source = field.src;
	
	//var mySpString = new Array();

	//splitedSource = source.split("/");
	
	//var nextImage = mySpString[3] + 1;
	var pattern = /[0-9]+/;
	var number = source.match(pattern);
	var nextPic = parseInt(number) + 1;
	if (nextPic > 3) nextPic = 1;
	field.src = source.replace(number, nextPic);
	//alert(newSource);
	//field.src = "images/timecard/pic" + count + ".png";
}