function iOn(name) {
	img = eval('document.' + name);
	img.src = path + name + '_a.gif';
}

function iOut(name) {
	img = eval('document.' + name);
	img.src = path + name + '.gif';
}

function popUp(sURL,winSizeW,winSizeH) {
	var features = "width="+winSizeW+",height="+winSizeH+",left="+((screen.width-winSizeW)/2)+",top="+((screen.height-winSizeH-50)/2);
	popUpWin = window.open(sURL+'.html', 'popUp'+winSizeW+winSizeH, features);
	popUpWin.focus();
}

function onlyNumber(sForm, sField) {
	var num = '0123456789';
	var oField = eval('document.' + sForm + '.' + sField);
	var sTmp = '';
	for(i = 0; i < oField.value.length; i++)
	if(num.indexOf(oField.value.charAt(i)) != -1)
	sTmp += oField.value.charAt(i);
	oField.value = sTmp;
}