// JavaScript Document

// for IE6, 7, 8
document.createElement('header');
document.createElement('footer');
document.createElement('section');
document.createElement('aside');
document.createElement('nav');
document.createElement('article');

function autoBlurFucntion() {if(event.srcElement.tagName=="A") document.body.focus();}
document.onfocusin=autoBlurFucntion;


function chkStrLen(str, minSize, maxSize) {
	if ((str.length < minSize) || (str.length > maxSize)){ return false;
	} else { return true; }
}

// 영문과 숫자 체크
function chkEngNumber(str) {
	var stTmp = "";
	for( i=0 ; i < str.length ; i++ ) {
		stTmp = str.charAt(i);
		if ( (( stTmp >= "0") && (stTmp <= "9")) || ((stTmp >= "A") && (stTmp <= "Z")) || ((stTmp >= "a") && (stTmp <= "z")) ){
		} else { return false; }
	}
	return true;
}

// 숫자 체크
function chkPhoneNumber(str) {
	for (i = 0; i < str.length; i++) {
		if (str.charAt(i) >= '0' && str.charAt(i) <= '9') { continue;
		} else { return false; }
	}
	return true;
}

// 특수문자 체크
function chkSpecialChar(str){
	var special_char = "\"\'!@:#;$%^&*_-[]<|>‥…〃―∥＼∼‘’“”′″※℃Å￠￡￥。‰℉∀∃∏∂∇∮≠≤≥∞∴≡≒√∽∝∵∫∬∈∋⊆⊇⊂⊃∪∩∧∨∑∠⊥→←↑↓↔⇒⇔↕↗↙↖↘♭♩♪♬♂♀†‡☆★○●◎◇◆□■△▲▽▼♨☏☎☜☞㉿㈜◁◀▷▶♤♠♡♥♧～⌒♣⊙◈▣◐◑▒▤▥▨▧▦▩㎕㎖㎗ℓ㎘㏄㎣㎤㎥㎦㎛㎟㎠㎡㎢㏊㎍㏈㎧㎨㎰㎶Ω㎮㎯㏆⅓⅔⅛⅜⅝⅞⁴ⁿ₁₂₃";
	for (i=0; i<special_char.length; i++){
		var t1 = str.indexOf(special_char.charAt(i));
		if(t1 != -1){ return false;
		} else { continue; }
	}
	return true;
}