[javascript] select box 년월일 selected

	var d = new Date();
	window.onload = function(){
		selectedDateOpt(document.getElementsByName("_year"), d.getFullYear());
		selectedDateOpt(document.getElementsByName("_month"),(d.getMonth() + 1));
		selectedDateOpt(document.getElementsByName("_date"), d.getDate());
		selectedDateOpt(document.getElementsByName("_day"), d.getDay());
	};
	
	function selectedDateOpt(seleObj, date){
		for(var i=0;i<seleObj.length;i++){
			for(var j=0;j<seleObj[i].options.length;j++){
				if(seleObj[i].options[j].value==date){
					seleObj[0].selectedIndex = j;
				}
			}
		}
	}