/// ½ºÆ®¸µ °´Ã¼¿¡ ¸Þ¼Òµå Ãß°¡ ///
String.prototype.trim = function(str) { 
	str = this != window ? this : str; 
	return str.replace(/^\s+/g,'').replace(/\s+$/g,''); 
}

String.prototype.bytes = function(str) {
	var len = 0;
	str = this != window ? this : str;
	for(j=0; j<str.length; j++) {
		var chr = str.charAt(j);
		len += (chr.charCodeAt() > 128) ? 2 : 1
	}
	return len;
}

String.prototype.num_format = function (str){
	str = this != window ? this : str;

	var Re = /[^0-9]/g;
	var ReN = /(-?[0-9]+)([0-9]{3})/;
	str = str.replace(Re,'');              
	while (ReN.test(str)) { 
		str = str.replace(ReN, '$1,$2'); 
	}
	return str;
}

function get_att(el, attname)
{
	etype = el.type;

	switch(etype) {
	case "select-one":
		att_val = el.options[el.selectedIndex].getAttribute(attname);
	break;
	case "radio":
	case "checkbox":
		if(el.checked) {
			att_val = el.getAttribute(attname);
		} else {
			att_val = "";
		}
	break;
	default:
		att_val = el.getAttribute(attname);
	break;
	}

	att_val = att_val == null ? '' : att_val;

	return att_val;
}

function att_get(el, attname)
{
	att_val = el.getAttribute(attname);
	att_val = att_val == null ? '' : att_val;

	return att_val;
}

function find_Obj(n, d) {
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

var submit_form_tag=0;

function CheckForm(theForm) {
//	if(submit_form_tag > 0) {
//		alert('ÆûÀü¼ÛÁß ÀÔ´Ï´Ù.\nÀá½Ã ±â´Ù·Á ÁֽʽÿÀ.');
//		return false;
//	}
	for (i = 0; i < theForm.elements.length; i++ ) {
		var el = theForm.elements[i];
		
		kind=att_get(el, "kind");
		val=el.value;
		val=val.trim();
		if(kind == "fil" && val == '') {

			hname = att_get(el, "hname");
			alert("'" + hname + "'" + " Ç׸ñÀº Çʼö Ç׸ñÀÔ´Ï´Ù.");
			el.focus();
			return false;
		}
		
		pri_check = att_get(el, "kind");
		pri_value = el.value;
		if ( el.type == "checkbox" ) {
			if(pri_check == "private_chk" && pri_value == '') {
				hname = att_get(el, "hname");
				alert(hname + "À» üũÇØ ÁÖ¼¼¿ä.");
				el.focus();
				return false;
			}
		}
		
	}
	

	submit_form_tag=1;

	return true;
}