function checkEmail(obj){
	email = obj.value;
	var strEmail = email;
    var i;
    var strCheck1 = false;
    var strCheck2 = false;
	var iEmailLen = strEmail.length
	if (iEmailLen > 0) {

		if ((strEmail.indexOf(".@") != -1) || (strEmail.indexOf("@.") != -1) ||
			(strEmail.substring(0,1) == ".") || (strEmail.substring(0,1) == "@") ||
			(strEmail.substring(iEmailLen-1,iEmailLen) == ".") || (strEmail.substring(iEmailLen-1,iEmailLen) == "@"))
		{	
	        alert("E-mailÀ» Á¤È®È÷ ÀÔ·ÂÇØ ÁÖ¼¼¿ä.");
	        obj.focus();
			return false;
		}
		
	    for(i=0; i < iEmailLen; i++) {
	        if ((strEmail.substring(i,i+1) == ".") || 
	        	(strEmail.substring(i,i+1) == "-") || (strEmail.substring(i,i+1) == "_") ||
	           ((strEmail.substring(i,i+1) >= "0") && (strEmail.substring(i,i+1) <= "9")) ||
	           ((strEmail.substring(i,i+1) >= "@") && (strEmail.substring(i,i+1) <= "Z")) ||
	           ((strEmail.substring(i,i+1) >= "a") && (strEmail.substring(i,i+1) <= "z"))) {
	                if (strEmail.substring(i,i+1) == ".")
						strCheck1 = true;
	                if (strEmail.substring(i,i+1) == "@")
						strCheck2 = true;
	        }
	        else {
	            alert("E-mailÀ» Á¤È®È÷ ÀÔ·ÂÇØ ÁÖ¼¼¿ä.");
	            obj.focus();
				return false;
	        }
	    }
	
	    if ((strCheck1 == false) || (strCheck2 == false)) {
	        alert("E-mailÀ» Á¤È®È÷ ÀÔ·ÂÇØ ÁÖ¼¼¿ä.");
	        obj.focus();
			return false;
	    }
	    
	    return true;
	}
	else {
		alert("E-mailÀ» ÀÔ·ÂÇØ ÁÖ¼¼¿ä.");
	  obj.focus();
    return false;
  }
}


function checkEng(obj, msg){
	var val = obj.value;
	var ch = '';
	var blnReturn = true;
	for(i=0;i<val.length;i++){
		ch = val.charCodeAt(i);
		if(!(ch >= 48 && ch <= 57) && !(ch >= 65 && ch <= 90) && !(ch >=97 && ch <=122)){
			blnReturn = false;
			break;
		}
	}

	if(!blnReturn){
		alert(msg + " ÀÔ·ÂÇØ ÁÖ¼¼¿ä.");
		obj.focus();
	}

	return blnReturn;
}



function checkLeng(obj, msg, leng){
	val = obj.value;
	if(val.length != leng){
		alert(msg + leng + "ÀÚ·Î ÀÔ·ÂÇØ ÁÖ¼¼¿ä.");
		obj.focus();
		return false;
	}else{
		return true;
	}
}



function checkBetweenLeng(obj, msg, least, most){
	val = obj.value;
	if (val.length < least){
		alert(msg + (least+1) + "ÀÚ ÀÌ»óÀ¸·Î ÀÔ·ÂÇØ ÁÖ¼¼¿ä");
		obj.focus();
		return false;
	}
	if(val.length > most){
		alert(msg + (most+1) + "ÀÚ ÀÌÇÏ·Î ÀÔ·ÂÇØ ÁÖ¼¼¿ä.");
		obj.focus();
		return false;
	}
	return true;
}



function checkNum(obj, msg){
	var txt, chr;
	txt = obj.value;
	for (checkNum_i=0;checkNum_i<txt.length;checkNum_i++){
        chr = txt.substring(checkNum_i,checkNum_i+1);        //  2  //
        if ((chr < '0' || chr > '9') && chr != '-') {
			alert(msg + " ¼ýÀڷθ¸ ÀÔ·ÂÇØ ÁÖ¼¼¿ä.");
			obj.value='';
			obj.focus();
			return false;
	    }
    }
	return true;
}



function checkPlusNum(obj, msg){
	var txt, chr;
	txt = obj.value;
	for (checkPlusNum_i=0;checkPlusNum_i<txt.length;checkPlusNum_i++){
        chr = txt.substring(checkPlusNum_i,checkPlusNum_i+1);        //  2  //
        if (chr < '0' || chr > '9') {
			alert(msg + " ¼ýÀڷθ¸ ÀÔ·ÂÇØ ÁÖ¼¼¿ä.");
			obj.focus();
			return false;
	    }
    }
	return true;
}



function checkDecimal(obj, msg){
	if(isNaN(obj.value)){
		alert(msg + " ¼ýÀÚ(¼Ò¼öÁ¡Æ÷ÇÔ)·Î¸¸ ÀÔ·ÂÇØ ÁÖ¼¼¿ä.");
		obj.focus();
		return false;
	}else{
		return true;
	}
}



function checkNull(obj, msg){
	if(obj.value.length < 1){
		alert(msg + " ÀÔ·ÂÇØ ÁÖ¼¼¿ä")
		obj.focus();
		return false;
	}else{
		return true;
	}
}



function setSelectValue(obj, str) {
	for(var i = 0; i < obj.length; i++) {
		if(obj.options[i].value == str) {
			obj.options[i].selected = true;
			break;
		}						
	}
}



function setSelectText(obj, str) {
	for(var i = 0; i < obj.length; i++) {
		if(obj.options[i].text == str) {
			obj.options[i].selected = true;
			break;
		}						
	}
}



function setCheck(obj, str){
	var blnChecked = false;
	for(i=0;i<obj.length;i++){
		if(obj[i].value==str){
			blnChecked = true;
			break;
		}
	}
	if(i>0 && blnChecked) obj[i].checked = true;
	else obj[0].checked = true;
}



function getCheckedValue(obj){
	var val="";
	if(obj != null){
		var blnChecked = false;
		for(i=0;i<obj.length;i++){
			if(obj[i].checked){
				val = obj[i].value;
				break;
			}
		}
	}
	return val;
}



function hasSpace(str) {
	for(var i = 0; i < str.length; i++) {
        if(str.charAt(i) == " " || str.charAt(i) == "\t") {
        	return true;
        }
    }
	return false;
}



function removeSpace(str) {
    var ret = new String();

    for(var i = 0; i < str.length; i++) {
        if(str.charAt(i) != " " && str.charAt(i) != "\t") {
            ret = ret + str.charAt(i);
        }
    }
//	alert("ret =" + ret + "=");
    return ret;
}



function addZero(str, leng) {
    var ret = str;
	if(str!=null && str.length > 0 && str.length < leng){
		for(addZero_i=str.length;addZero_i<leng;addZero_i++){
			ret = "0" + ret;
		}
	}
    return ret;
}


function getBytes(psString) {
	var tsTemp = new String(psString);
	var tTmpChar;
	var tEscapeChar;
	var tnByteCnt = 0;

	for (var i=0; i<tsTemp.length; i++) {
                tTmpChar = tsTemp.charAt(i);
                tEscapeChar = escape(tTmpChar);
                if ( tEscapeChar.charAt(0) == "%" ) {
                        tEscapeChar = tEscapeChar.substring(1,2);
                        switch ( tEscapeChar ) {
                        case "0":
                        case "1":
                        case "2":
                        case "3":
                        case "4":
                        case "5":
                        case "6":
                        case "7":
                                tnByteCnt++;
                                break;
                        default:
                                tnByteCnt += 2;
                                break;
                        }
                }
		else if (tTmpChar!='\r') {   //¿µ¹®
			tnByteCnt++;
		}
	}	
	return tnByteCnt;
}



function openNewWindow(url, winName, winWidth, winHeight, winOption){
	var newWinOption = "";
	switch (winOption){
		case "0" : 
			newWinOption = "toolbar=no, menubar=no, resizable=no, scrollbars=no"
			break;
		case "1" : 
			newWinOption = "toolbar=no, menubar=no, resizable=no, scrollbars=yes"
			break;
		default : 
			newWinOption = "toolbar=no, menubar=no, resizable=no, scrollbars=no"
			break;
	}
	if(winWidth!="") newWinOption += ", width=" + winWidth;
	if(winHeight!="") newWinOption += ", height=" + winHeight;

	window.open(url,winName,newWinOption);
}



function callPopUp(pUrl, iWidth, iHeight) {
	var iLeft, iTop;

	if (iHeight == null || iHeight == "") {
		iHeight = "480";
	}
	iLeft = 165;
	iTop = 165;
	return window.showModalDialog(pUrl, 'modalDialogPopup', "dialogLeft:"+ iLeft +";dialogTop:"+ iTop +"; dialogHeight:" + iHeight + "px;dialogWidth:" + iWidth + "px;help:No;resizable:No;status:No;scroll:auto;");
}


function chkItem(obj, msg) {
	var blnChecked;
	blnChecked = false;
	
	if(obj != null) {
		if(obj.length + "" == "undefined"){
			if(obj.checked) blnChecked = true;
		}else{
			for(i=0;i<obj.length;i++){
				if(obj[i].checked) {
					blnChecked = true;
					break;
				}
			}
		}
	}
	
	if (blnChecked == false) alert(msg);
	
	return blnChecked;
}



function setShowSpan(name, seq){
	leng = eval("document.all." + name + ".length");
	if(leng + "" == "undefined"){
		eval("document.all." + name + ".style.display = 'inline';");
	}else{
		for(i=0;i<leng;i++){
			eval("document.all." + name + "[" + i + "].style.display = 'none';");
		}
		eval("document.all." + name + "[" + seq + "].style.display = 'inline';");
	}
}



function checkCompRgstNo(rgstNo1, rgstNo2, rgstNo3){
	var rgstNo = rgstNo1 + rgstNo2 + rgstNo3;
	var sumMod;

	if(rgstNo.length != 10){
		alert("»ç¾÷ÀÚ ¹øÈ£ 10ÀÚ¸®¸¦ Á¤È®È÷ ÀÔ·ÂÇØÁÖ¼¼¿ä." + "\n" + rgstNo);
		return false;
	}

	sumMod = 0;
	sumMod += parseInt(rgstNo.substring(0,1));
	sumMod += parseInt(rgstNo.substring(1,2)) * 3 % 10;
	sumMod += parseInt(rgstNo.substring(2,3)) * 7 % 10;
	sumMod += parseInt(rgstNo.substring(3,4)) * 1 % 10;
	sumMod += parseInt(rgstNo.substring(4,5)) * 3 % 10;
	sumMod += parseInt(rgstNo.substring(5,6)) * 7 % 10;
	sumMod += parseInt(rgstNo.substring(6,7)) * 1 % 10;
	sumMod += parseInt(rgstNo.substring(7,8)) * 3 % 10;
	sumMod += Math.floor(parseInt(rgstNo.substring(8,9)) * 5 / 10);
	sumMod += parseInt(rgstNo.substring(8,9)) * 5 % 10;
	sumMod += parseInt(rgstNo.substring(9,10));

	if (sumMod % 10!= 0){
		alert("»ç¾÷ÀÚµî·Ï¹øÈ£ÀÇ Çü½ÄÀÌ ÀûÀýÄ¡ ¾Ê½À´Ï´Ù.");
		return false;
	}

	return true;
}



var isNN = (navigator.appName.indexOf("Netscape")!=-1); 

function autoTab(input,len, e) { 
	var keyCode = (isNN) ? e.which : e.keyCode; 
	var filter = (isNN) ? [0,8,9] : [0,8,9,16,17,18,37,38,39,40,46]; 
	if(input.value.length >= len && !containsElement(filter,keyCode)) { 
		input.value = input.value.slice(0, len); 
		input.form[(getIndex(input)+1) % input.form.length].focus(); 
	} 

	function containsElement(arr, ele) { 
		var found = false, index = 0; 
		while(!found && index < arr.length) 
		if(arr[index] == ele) 
		found = true; 
		else 
		index++; 
		return found; 
	} 

	function getIndex(input) { 
		var index = -1, i = 0, found = false; 
		while (i < input.form.length && index == -1) 
		if (input.form[i] == input)index = i; 
		else i++; 
		return index; 
	} 
	return true; 
}


function getRandomize(num){
	return Math.round(Math.random()*num);
}


function selectbox_hidden(layer_id) 
{ 
	var ly = eval(layer_id); 


	var ly_left  = ly.offsetLeft; 
	var ly_top    = ly.offsetTop; 
	var ly_right  = ly.offsetLeft + ly.offsetWidth; 
	var ly_bottom = ly.offsetTop + ly.offsetHeight; 


	var el; 

	for (i=0; i<document.forms.length; i++) { 
		for (k=0; k<document.forms[i].length; k++) { 
			el = document.forms[i].elements[k];    
			if (el.type == "select-one") { 
				var el_left = el_top = 0; 
				var obj = el; 
				if (obj.offsetParent) { 
					while (obj.offsetParent) { 
						el_left += obj.offsetLeft; 
						el_top  += obj.offsetTop; 
						obj = obj.offsetParent; 
					} 
				} 
				el_left  += el.clientLeft; 
				el_top    += el.clientTop; 
				el_right  = el_left + el.clientWidth; 
				el_bottom = el_top + el.clientHeight; 


				if ( (el_left >= ly_left && el_top >= ly_top && el_left <= ly_right && el_top <= ly_bottom) || 
					(el_right >= ly_left && el_right <= ly_right && el_top >= ly_top && el_top <= ly_bottom) || 
					(el_left >= ly_left && el_bottom >= ly_top && el_right <= ly_right && el_bottom <= ly_bottom) || 
					(el_left >= ly_left && el_left <= ly_right && el_bottom >= ly_top && el_bottom <= ly_bottom) && el.style.visibility != 'hidden') 
					el.style.visibility = 'hidden'; 
			} 
		} 
	} 
} 


function selectbox_visible() 
{ 
	for (i=0; i<document.forms.length; i++) { 
		for (k=0; k<document.forms[i].length; k++) { 
			el = document.forms[i].elements[k];    
			if (el.type == "select-one" && el.style.visibility == 'hidden') 
				el.style.visibility = 'visible'; 
		} 
	} 
} 


function createXMLHttpRequest() {
	if (window.ActiveXObject) {
		xmlHttp = new ActiveXObject("Microsoft.XMLHTTP");
	} else if (window.XMLHttpRequest) {
		xmlHttp = new XMLHttpRequest();
	}
	return xmlHttp;
}


function getPost2GetParam(docForm){   
	var submitString = '';
	var formElement = '';
	var lastElementName = '';

	for(i = 0 ; i < docForm.elements.length ; i++){
		formElement = docForm.elements[i];
		switch(formElement.type){
			case 'text' :
			case 'select-one' :
			case 'hidden' :
			case 'password' :
			case 'textarea' :
				submitString += formElement.name + '=' + escape(formElement.value) + '&';
				break;
			case 'radio' : 
				if(formElement.checked){
					submitString += formElement.name + '=' + escape(formElement.value) + '&';
				}
				break;
			case 'checkbox' :
				if(formElement.checked){
					if(formElement.name = lastElementName){
						if(submitString.lastIndexOf('&') == submitString.length - 1){
							submitString = submitString.substring(0, submitString.length - 1);
						}
						submitString += ',' + escape(formElement.value);
					}else{
						submitString += formElement.name + '=' + escape(formElement.value); 
					}
					submitString += '&';
					lastElementName = formElement.name;
				}
				break;
		}
	}
	submitString = submitString.substring(0, submitString.length - 1);
	return submitString;                               
}
//-->