function Check_Num(tocheck) {
		var isnum = true;
		
		if (tocheck == null || tocheck == "") {
		  isnum = false;
		  return isnum;
		}
		for (var j = 0 ; j < tocheck.length; j++) {
			if (tocheck.substring(0, 1)==".") {
				isnum = false;
			}
			else {
				if (tocheck.substring(j, j + 1) != "0" &&
					tocheck.substring(j, j + 1) != "1" &&
					tocheck.substring(j, j + 1) != "2" &&
					tocheck.substring(j, j + 1) != "3" &&
					tocheck.substring(j, j + 1) != "4" &&
					tocheck.substring(j, j + 1) != "5" &&
					tocheck.substring(j, j + 1) != "6" &&
					tocheck.substring(j, j + 1) != "7" &&
					tocheck.substring(j, j + 1) != "8" &&
					tocheck.substring(j, j + 1) != "9" &&
					tocheck.substring(j, j + 1) != ".") {
			
					isnum = false;
				}
			}
		}
		return isnum;
	}


	function ReplaceCheck(strText)
	{
	  var r, re;
	  re = /\s/g;
	  r = strText.replace(re, "");
	  return(r);
	}

	function MM_openBrWindow(theURL,winName,features) { //Æ˾÷
	  window.open(theURL,winName,features);
	}


	function CheckValue(f)	{
		if(!Check_Num(f.value)) {
			alert("¼ýÀÚ¸¸ ÀԷ°¡´ÉÇÕ´Ï´Ù.");
			f.focus();
			return false;
		}
	}