function getObject(obj) {
	var theObj;
	if(document.all) {
		if(typeof obj=="string") {
			return document.all(obj);
		} else {
			return obj.style;
		}
	}
	if(document.getElementById) {
		if(typeof obj=="string") {
			return document.getElementById(obj);
		} else {
			return obj.style;
		}
	}
	return null;
}

function toCount(entrance,exit,text,characters) {
	var entranceObj=getObject(entrance);
	var exitObj=getObject(exit);
	var length=characters - entranceObj.value.length;
	if(length <= 0) {
		text='<span class="disable"> '+text+' </span>';
	}
	if(length <= -450) {
		length=0;
		text='<span class="disable"> '+text+' </span>';
		entranceObj.value=entranceObj.value.substr(0,characters);
	}
	exitObj.innerHTML = text.replace("{CHAR}",length);
}