// 이미지 롤오버 =======================================================================================================

function CHIMG(obj){
   var str = obj.src;               
   if(str.indexOf('_on.gif') < 0){         
    ss = str.substr(0, str.indexOf('.gif'))      
    obj.src = ss + "_on.gif";                         
   }else{                                      
    ss = str.substr(0, str.indexOf('_on.gif'))
    obj.src = ss + ".gif";
   }
  }

// 플래시 삽입 =======================================================================================================

function FlashObject(swf, width, height, bgcolor, id, flashvars)
{
    var strFlashTag = new String();
    
    if (navigator.appName.indexOf("Microsoft") != -1)
    {
        strFlashTag += '<object classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000" ';
        strFlashTag += 'codebase="http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=version=8,0,0,0" ';
        strFlashTag += 'id="' + id + '" width="' + width + '" height="' + height + '">';
        strFlashTag += '<param name="movie" value="' + swf + '"/>';
        
        if(flashvars != null) {strFlashTag += '<param name="flashvars" value="' + flashvars + '"/>'};
        strFlashTag += '<param name="quality" value="best"/>';
        strFlashTag += '<param name="bgcolor" value="' + bgcolor + '"/>';
        strFlashTag += '<param name="menu" value="false"/>';
        strFlashTag += '<param name="salign" value="LT"/>';
        strFlashTag += '<param name="scale" value="noscale"/>';
        strFlashTag += '<param name="wmode" value="transparent"/>';
        strFlashTag += '<param name="allowScriptAccess" value="always"/>';
        strFlashTag += '</object>';
    }
    else
    {
        strFlashTag += '<embed src="' + swf + '" ';
        strFlashTag += 'quality="best" ';
        strFlashTag += 'bgcolor="' + bgcolor + '" ';
        strFlashTag += 'width="' + width + '" ';
        strFlashTag += 'height="' + height + '" ';
        strFlashTag += 'menu="false" ';
        strFlashTag += 'scale="noscale" ';
        strFlashTag += 'id="' + id + '" ';
        strFlashTag += 'salign="LT" ';
        strFlashTag += 'wmode="transparent" ';
        strFlashTag += 'allowScriptAccess="always" ';
        if(flashvars != null) {strFlashTag += 'flashvars="' + flashvars + '" '};
        strFlashTag += 'type="application/x-shockwave-flash" ';
        strFlashTag += 'pluginspage="http://www.macromedia.com/go/getflashplayer">';
        strFlashTag += '</embed>';
    }

 document.write(strFlashTag);
}

// 투명 PNG =======================================================================================================

function setPng24(obj) { 
    obj.width=obj.height=1; 
    obj.className=obj.className.replace(/\bpng24\b/i,''); 
    obj.style.filter = 
    "progid:DXImageTransform.Microsoft.AlphaImageLoader(src='"+ obj.src +"',sizingMethod='image');" 
    obj.src='';  
    return ''; 
        }

// 마우스 롤오버시 =======================================================================================================

function MM_openBrWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}

function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

function openEbook(){
	var width = 1020;
	var height = 770;	
	var left = (window.screen.width - width)/2;
	var top = (window.screen.height - height)/2;
	window.open("/ebook/ebook_flexcom/VIEW.HTM","ebook","width="+width+",height="+height+",top="+top+",left="+left);	
}

function ifKoChrChk(xObj, sStr)
{	
	var temp;
	var icount;
	icount = 0;
	len = xObj.value.length;
	for(k=0;k<len;k++)
	{
		temp = xObj.value.charAt(k);
		//alert(temp);
		if((temp >= "A" && temp <= "Z") || (temp >= "a" && temp <= "z") || (temp == "_") || (temp == "-") || (temp == ".") || (temp >= "0" && temp <= "9"))
		{
		}
		else
		{		
			icount+= 1;
		}
	}

	if (icount > 0)
	{
		alert(sStr);
		xObj.focus();
		return false;
	}	

	return true;
}

function isNumber(msg) {
	var isNum = true;
	
	for ( inx=0; inx < msg.length; inx++ )  {
	
		if ( msg.charAt(inx) < '0' || msg.charAt(inx) > '9' )
			isNum = false;
	}
	return isNum;
}

function isSeriesCheck(msg){
  var str = msg; 
  var temp = "";
  var temp2 = str.substring(0,1);
  var con=1;
 
  for(i = 1; i < str.length; i++){

      temp = str.substring(i,i+1);

      if(temp == temp2){
         con++; 
     }else{
         con = 1; 
         temp2 = temp;
     }
    if(con == 4){
        return false;
    }
  }
  return true;
}

function rTrim( str ) {
	str = str + "";
	var len = str.length;

	for(var i = (len - 1); (str.charAt(i) == ' '); i--);
	str = str.substring(0, i + 1);

	return str;
	}
	
function lTrim( str ) {
	var len = str.length;
	var i = 0;

	for(i = 0; str.charAt(i) == ' '; i++);
	str = str.substring(i, len);

	return str;
}

function Trim( strValue ) {
	strValue = lTrim(rTrim(strValue));
	return strValue;
}

function isNull( text )  
{  
 if( text == null ) return true;  

 var result = text.replace(/(^\s*)|(\s*$)/g, "");  

 if( result )  
  return false;  
 else  
  return true;  
}

function isEmail(str){
	if(str == '') return true;
	// are regular expressions supported?
	var supported = 0;
	if (window.RegExp)
	{
		var tempStr = "a";
		var tempReg = new RegExp(tempStr);
		if (tempReg.test(tempStr)) supported = 1;
	}

	if (!supported)
		return (str.indexOf(".") > 2) && (str.indexOf("@") > 0);
	var r1 = new RegExp("(@.*@)|(\\.\\.)|(@\\.)|(^\\.)");
	var r2 = new RegExp("^.+\\@(\\[?)[a-zA-Z0-9\\-\\.]+\\.([a-zA-Z]{2,4}|[0-9]{1,3})(\\]?)$");
	return (!r1.test(str) && r2.test(str));
}
	
function chkNull(obj)
{
	switch (obj.type) {
		// text, password, file, textarea
		case "text" :
		case "password" :
		case "file" :
		case "textarea" :
		case "hidden" :
			if (isBlank(obj.value)) {
				return false;
			}
			else {
				return true;
			}
			break;
		// checkbox
		case "checkbox" :
			if (!obj.checked) {
				return false;
			}
			else {
				return true;
			}
			break;
		// radiobutton
		case "radio" :
			var obj_len = obj.length;

			for (i=0; i < obj_len; i++) {
				if (obj[i].checked == true)
					return false;
			}
			if (i == obj_len) {
				return true;
			}
			break;
	}

	// select list
	if (obj.type.indexOf("select") != -1) {
		if (obj.options[obj.selectedIndex].value == 0 || obj.options[obj.selectedIndex].value == ""){
			return false;
		}else{
			return true;
		}
	}

	return true;
}

function isBlank(val)
{
	if (val.split(" ").join("") == ""){
		return true;
	}
	else{
		return false;
	}
}

function toUTF8(szInput)
{
 var wch,x,uch="",szRet="";
 for (x=0; x<szInput.length; x++)
  {
  wch=szInput.charCodeAt(x);
  if (!(wch & 0xFF80)) {
   szRet += "%" + wch.toString(16);
  }
  else if (!(wch & 0xF000)) {
   uch = "%" + (wch>>6 | 0xC0).toString(16) +
      "%" + (wch & 0x3F | 0x80).toString(16);
   szRet += uch;
  }
  else {
   uch = "%" + (wch >> 12 | 0xE0).toString(16) +
      "%" + (((wch >> 6) & 0x3F) | 0x80).toString(16) +
      "%" + (wch & 0x3F | 0x80).toString(16);
   szRet += uch;
  }
 }
 return(szRet);
}