function reObj(str){
	return document.getElementById(str);	
}

function wordCountNow(){
	var textAreaObj = reObj('msg');
	var nowCount = reObj('nowCount');
	if(textAreaObj.value.length > 500){
		textAreaObj.value = textAreaObj.value.substring(0,500);
		return false;
	}else{
		nowCount.innerHTML = 500 - 	textAreaObj.value.length;
	}
}
function noName(obj){
	var tObj = reObj('fullName');
	if(obj.checked == "checked" || obj.checked == true){		
		tObj.value = "";		
	}
}
function hasName(){
	var nameObjCheck = reObj('isName');	
	if(nameObjCheck.checked == "checked" || nameObjCheck.checked == true){
		nameObjCheck.checked = "" | false;
	}
}