String.prototype.trim = function() {
	return this.replace(/(^\s*)|(\s*$)/g, "");
}

String.prototype.ltrim = function() {
	return this.replace(/(^\s*)/, "");
}

String.prototype.rtrim = function() {
	return this.replace(/(\s*$)/, "");
}

String.prototype.isNum = function() {
	return (/^[0-9]+$/).test(this.remove(arguments[0])) ? true : false;
}

String.prototype.num = function() {
	return (this.trim().replace(/[^0-9]/g, ""));
}

String.prototype.isBlank = function() {
	var str = this.trim();
	for(var i = 0; i < str.length; i++) {
		if ((str.charAt(i) != "\t") && (str.charAt(i) != "\n") && (str.charAt(i)!="\r")) {
			return false;
		}
	}
	return true;
}


String.prototype.isJumin = function() {
	var arg = arguments[0] ? arguments[0] : "";
	var jumin = eval("this.match(/[0-9]{2}[01]{1}[0-9]{1}[0123]{1}[0-9]{1}" + arg + "[1234]{1}[0-9]{6}$/)");
	if(jumin == null) {
		return false;
	} else {
		jumin = jumin.toString().num().toString();
	}

	// »ý³â¿ùÀÏ Ã¼Å©
	var birthYY = (parseInt(jumin.charAt(6)) == (1 ||2)) ? "19" : "20";
	birthYY += jumin.substr(0, 2);
	var birthMM = jumin.substr(2, 2) - 1;
	var birthDD = jumin.substr(4, 2);
	var birthDay = new Date(birthYY, birthMM, birthDD);
	if(birthDay.getYear() % 100 != jumin.substr(0,2) || birthDay.getMonth() != birthMM || birthDay.getDate() != birthDD) {
		return false;
	}
	var sum = 0;
	var num = [2, 3, 4, 5, 6, 7, 8, 9, 2, 3, 4, 5]
	var last = parseInt(jumin.charAt(12));
	for(var i = 0; i < 12; i++) {
		sum += parseInt(jumin.charAt(i)) * num[i];
	}
	return ((11 - sum % 11) % 10 == last) ? true : false;
}

String.prototype.isEmail = function() {
	return (/\w+([-+.]\w+)*@\w+([-.]\w+)*\.[a-zA-Z]{2,4}$/).test(this.trim());
}

String.prototype.isNum = function() {
	return (/^[0-9]+$/).test(this.remove(arguments[0])) ? true : false;
}

String.prototype.isPhone = function() {
	var arg = arguments[0] ? arguments[0] : "";
	return eval("(/(02|0[3-9]{1}[0-9]{1})" + arg + "[1-9]{1}[0-9]{2,3}" + arg + "[0-9]{4}$/).test(this)");
}


String.prototype.isMobile = function() {
	var arg = arguments[0] ? arguments[0] : "";
	return eval("(/01[016789]" + arg + "[1-9]{1}[0-9]{2,3}" + arg + "[0-9]{4}$/).test(this)");
}

String.prototype.replaceAll = function(str1, str2) {
	var temp_str = "";
	if (this.trim() != "" && str1 != str2) {
		temp_str = this.trim();
		while (temp_str.indexOf(str1) > -1){
			temp_str = temp_str.replace(str1, str2);
		}
	}
	return temp_str;
}

/* °øÁö»çÇ× ½ºÅ©·Ñ¸µ*/
function scrolling(objId,sec1,sec2,speed,height){ 
	this.objId=objId; 
	this.sec1=sec1; 
	this.sec2=sec2; 
	this.speed=speed; 
	this.height=height; 
	this.h=0; 
	this.div=document.getElementById(this.objId); 
	this.htmltxt=this.div.innerHTML; 
	this.div.innerHTML=this.htmltxt+this.htmltxt; 
	this.div.isover=false; 
	this.div.onmouseover=function(){this.isover=true;} 
	this.div.onmouseout=function(){this.isover=false;} 
	var self=this; 
	this.div.scrollTop=0; 
	window.setTimeout(function(){self.play()},this.sec1); 
}
scrolling.prototype={ 
	play: function(){ 
		var self=this; 
		if(!this.div.isover){ 
			this.div.scrollTop+=this.speed; 
			if(this.div.scrollTop>this.div.scrollHeight/2) this.div.scrollTop=0; 
			else {
				this.h+=this.speed; 
				if(this.h>=this.height){ 
					if(this.h>this.height|| this.div.scrollTop%this.height !=0){ 
						this.div.scrollTop-=this.h%this.height; 
					}
					this.h=0; 
					window.setTimeout(function(){self.play()},this.sec1); 
					return; 
				}
			}
		}
		window.setTimeout(function(){self.play()},this.sec2); 
	},
	prev: function(){ 
		if(this.div.scrollTop == 0) 
		this.div.scrollTop = this.div.scrollHeight/2; 
		this.div.scrollTop -= this.height; 
	},
	next:function(){ 
		if(this.div.scrollTop ==  this.div.scrollHeight/2) 
		this.div.scrollTop =0; 
		this.div.scrollTop += this.height; 
	} 
}; 
/* °øÁö»çÇ× ½ºÅ©·Ñ¸µ*/

function viewMessage(){
	var msgView = window.open('/message/view.php', 'mymessage', 'width=450,height=400,scrollbars=yes');
	if(msgView.focus) msgView.focus();
	return;
}

function checkTotalSearchForm(){
	if(document.getElementById('totalSearchKeyword').value.isBlank()){
		alert('°Ë»ö¾î¸¦ ÀÔ·ÂÇØ ÁÖ¼¼¿ä.');
		document.getElementById('totalSearchKeyword').focus();
		return false;
	}
}


function mf(s,d,w,h,t){
	return "<object classid=\"clsid:d27cdb6e-ae6d-11cf-96b8-444553540000\" codebase=\"http://fpdownload.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=8,0,0,0\" width="+w+" height="+h+" id="+d+"><param name=wmode value="+t+" /><param name=movie value="+s+" /><param name=quality value=high /><embed src="+s+" quality=high wmode="+t+" type=\"application/x-shockwave-flash\" pluginspage=\"http://www.macromedia.com/go/getflashplayer\" width="+w+" height="+h+"></embed></object>";
}

// write document contents
function documentwrite(src){
	document.write(src);
}

// assign code innerHTML
function setcode(target, code){ 
	target.innerHTML = code; 
}