function OnValidBlurRequireTxt(arg, div){
	if(arg.value == ""){
		arg.className = "text_input_red";
		div.style.display = "";
	}
	else{
		arg.className = "text_input";		
		div.style.display = "none";
	}
}
function OnValidBlurRegEmail(arg, div){
	var emailRE = /^([a-zA-Z0-9_.-])+@(([a-zA-Z0-9-])+.)+([a-zA-Z0-9]{2,4})+$/;
	if(!emailRE.test(arg.value)){
		arg.className = "text_input_red";
		div.style.display = "";		
	}
	else{
		arg.className = "text_input";		
		div.style.display = "none";
	}
}
function OnValidBlurRequireArea(arg, div){	
	if(arg.value == ""){
		arg.className = "text_area_red";
		div.style.display = "";
	}
	else{
		arg.className = "text_area";	
		div.style.display = "none";
	}
}