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) { //v4.0
  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 && document.getElementById) x=document.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 MM_openBrWindow(theURL,winName,features) { //v1.2
  window.open(theURL,winName,features);
}

var nscp = (navigator.appName == "Netscape")
var ismc = (navigator.appVersion.indexOf("Mac") != -1)
var vers = parseFloat(navigator.appVersion.substring(22,25))

//alert(width+":"+leftpos)

function getObj(obj) {
   if (nscp) {
       compLayr = document.layers[obj]
   }else{
       compLayr = eval("document.all." + obj + ".style")
   }
   return compLayr
}

function show(layr){
   obj = getObj(layr)
   obj.visibility = "visible";
}

function hide(layr){
   obj = getObj(layr)
   obj.visibility = "hidden"
}

function menuRoll(which,status,total){
   if (status){
       currentMenuChoice = which;
       show("info" + currentMenuChoice);
       checkinfo(total);
   }
}

function checkinfo(total){
   for(r=1;r<= total ;r++){
       if(r != currentMenuChoice){
           hide("info" + r)
       }
   }
   setTimeout("checkinfo()",50)
}

function changetab (no, total) {
  for (i=1; i<= total;i++){
    obj = eval("document.all.prime"+i);
    if (i == no){
	  obj.style.backgroundColor='#ECECEC';
    }else{
	  obj.style.backgroundColor='#ffffff';
	}
  }
}

function ChangeForm (no, total) {
  for (i=1; i<= total;i++){
    obj = eval("SubDiv"+i);
    if (i == no){
	  obj.style.display='';
    }else{
	  obj.style.display='none';
	}
  }
}

function check()
{
	if(document.myform.name.value.length == "")
   	{
   		alert("±Û¾´À̸¦ ÀÔ·ÂÇØ ÁÖ¼¼¿ä.!");
      	document.myform.name.focus();
      	return false;
	}
	if( !spacecheck(1) )
	{
   		alert("¾Õ¿¡ °ø¹éÀÌ ÀÖ½À´Ï´Ù. \n\n\n°ø¹é¾øÀÌ ±Û¾´À̸¦ ÀÔ·ÂÇØ ÁÖ¼¼¿ä.!");
      	document.myform.name.focus();
      	document.myform.name.select();
      	return false;		
	}
    if( document.myform.email.value.indexOf("@") == -1 ||
	    document.myform.email.value.indexOf(".") == -1 ||
        document.myform.email.value.indexOf(",") != -1 ||
        document.myform.email.value.indexOf(" ") != -1 ||
        document.myform.email.value.length<6 )
    {
        alert("E-mailÀ» È®ÀÎÇϼ¼¿ä.! \n (@) (.)À» È®ÀÎÇϼ¼¿ä. ")
        document.myform.email.focus();
        document.myform.email.select();
		return false;
    }
	if(document.myform.title.value.length == "")
   	{
   		alert("Á¦¸ñÀ» ÀÔ·ÂÇØ ÁÖ¼¼¿ä.!");
      	document.myform.title.focus();
      	return false;
	}
	if( !spacecheck(2) )
	{
   		alert("¾Õ¿¡ °ø¹éÀÌ ÀÖ½À´Ï´Ù. \n\n°ø¹é¾øÀÌ Á¦¸ñÀ» ÀÔ·ÂÇØ ÁÖ¼¼¿ä.!");
      	document.myform.title.focus();
      	document.myform.title.select();
      	return false;		
	}
	if(document.myform.content.value.length == "")
   	{
   		alert("³»¿ëÀ» ÀÔ·ÂÇØ ÁÖ¼¼¿ä.!");
      	//document.myform.content.focus();
      	return false;
	}
	if(document.myform.pwd.value.length == "")
   	{
   		alert("ºñ¹Ð¹øÈ£¸¦ ÀÔ·ÂÇØ ÁÖ¼¼¿ä.!");
      	document.myform.pwd.focus();
      	return false;
	}
	if( !spacecheck(3) )
	{
   		alert("¾Õ¿¡ °ø¹éÀÌ ÀÖ½À´Ï´Ù. \n\n°ø¹é¾øÀÌ ºñ¹Ð¹øÈ£¸¦ ÀÔ·ÂÇØ ÁÖ¼¼¿ä.!");
      	document.myform.pwd.focus();
      	document.myform.pwd.select();
      	return false;		
	}
	return true;
}			 

function spacecheck(namecheck)
{
	if (namecheck == 1) var nLen = document.myform.name.value.length;
	else if (namecheck == 2) var nLen = document.myform.title.value.length;
	else if (namecheck == 3) var nLen = document.myform.pwd.value.length;
	
	for( i = 0 ; i < nLen ; i++)
	{
		if (namecheck == 1) temp = document.myform.name.value.substring(i,i+1);
		else if (namecheck == 2) temp = document.myform.title.value.substring(i,i+1);
		else if (namecheck == 3) temp = document.myform.pwd.value.substring(i,i+1);
		
		if( temp == " ")
		{
			return false;
		}
		return true;
	}
	return true;
}

function onlyNumber()  //¼ýÀÚ¸¸À» ±âÀÔ¹Þ°Ô ÇÏ´Â ¹æ¹ý
{
	if( (event.keyCode == 8) || (event.keyCode == 9) ||
		(event.keyCode == 37) || (event.keyCode == 39) || (event.keyCode == 46) || 
		((event.keyCode >= 48) && (event.keyCode <= 57)) || 
		((event.keyCode >= 96) && (event.keyCode <= 105)) ) {

	}else { 
		event.returnValue = false;
	}
}