var english = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ";
var english1 = "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ@";
var english2 = "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ";
var num = "0123456789";
var comp = "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ-_";
var ename = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ ";
var chkurl = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ./*?&_-=0123456789:";
var chkIp = "0123456789.";
function isInteger(st){          
	if (!isEmpty(st)){          
   		for (j=0; j<st.length; j++){          
     		if (((st.substring(j, j+1) < "0") || (st.substring(j, j+1) > "9")))          
     			return false;          
   		}          
	}else{          
   		return false ;          
	}          
	return true ;          
}

function isEmpty(toCheck){          
	var chkstr = toCheck + "";          
	var is_Space = true ;          
	
	if ( ( chkstr == "") || ( chkstr == null ) )           
		return( true );          
	for ( j = 0 ; is_Space && ( j < chkstr.length ) ; j++){          
		if( chkstr.substring( j , j+1 ) != " " )           
			is_Space = false ;          
	}          
	return ( is_Space );          
}

function strLeng(strIn){          
	var strOut = 0;          
	for ( i = 0 ; i < strIn.length ; i++){          
		ch = strIn.charAt(i);          
		if ((ch == "\n") || ((ch >= "ㅏ") && (ch <= "히")) || ((ch >="ㄱ") && (ch <="ㅎ")))           
			strOut += 2;          
		else          
			strOut += 1;          
	}           
	return (strOut);          
}	              

function email_ck(value){//null 체크는 하지 않는다. 필수값이 아니므로 null체크는 각각의 jsp에서 할것
	var ind=value.indexOf('@');
	var beforeAt=value.substring(0,ind);
	var afterAt=value.substring(ind);
	if(ind==-1){
		alert("메일주소를 정확하게 입력하여 주세요.");
		return false;
	}else if(beforeAt.length==0){
		alert("메일주소를 정확하게 입력하여 주세요.");
		return false;
	}else{
		var dotind=afterAt.indexOf('.');
		if(dotind==-1){
			alert("메일주소를 정확하게 입력하여 주세요.");
			return false;
		}else{
			var beforeDot = afterAt.substring(1,dotind);
			var afterDot = afterAt.substring(dotind+1);
			if(beforeDot.length==0){
				alert("메일주소를 정확하게 입력하여 주세요.");
				return false;
			}else if(afterDot.length==0){
				alert("메일주소를 정확하게 입력하여 주세요.");
				return false;
			}
			
		}
	}
	return true;
}