function correctpng() // correctly handle png transparency in win ie 5.5 & 6. 
{ 
    var arversion = navigator.appversion.split("msie") 
    var version = parsefloat(arversion[1]) 
    if ((version >= 5.5) && (document.body.filters)) 
    { 
       for(var j=0; j<document.images.length; j++) 
       { 
          var img = document.images[j] 
          var imgname = img.src.touppercase() 
          if (imgname.substring(imgname.length-3, imgname.length) == "png") 
          { 
             var imgid = (img.id) ? "id='" + img.id + "' " : "" 
             var imgclass = (img.classname) ? "class='" + img.classname + "' " : "" 
             var imgtitle = (img.title) ? "title='" + img.title + "' " : "title='" + img.alt + "' " 
             var imgstyle = "display:inline-block;" + img.style.csstext 
             if (img.align == "left") imgstyle = "float:left;" + imgstyle 
             if (img.align == "right") imgstyle = "float:right;" + imgstyle 
             if (img.parentelement.href) imgstyle = "cursor:hand;" + imgstyle 
             var strnewhtml = "<span " + imgid + imgclass + imgtitle 
             + " style=\"" + "width:" + img.width + "px; height:" + img.height + "px;" + imgstyle + ";" 
             + "filter:progid:dximagetransform.microsoft.alphaimageloader" 
             + "(src=\'" + img.src + "\', sizingmethod='scale');\"></span>" 
             img.outerhtml = strnewhtml 
             j = j-1 
          } 
       } 
    }     
} 
window.attachevent("onload", correctpng); 

function ntabs(thisobj,num){

if(thisobj.classname == "active")return;

var tabobj = thisobj.parentnode.id;

var tablist = document.getelementbyid(tabobj).getelementsbytagname("li");

for(i=0; i <tablist.length; i++)

{

if (i == num)

{

   thisobj.classname = "active"; 

      document.getelementbyid(tabobj+"_content"+i).style.display = "block";

}else{

   tablist[i].classname = "normal"; 

   document.getelementbyid(tabobj+"_content"+i).style.display = "none";

}

} 

}


	function funcstring(chkfield){
			var checkok = "0123456789abcdefghijklmnopqrstuvwxyz";
			var checkstr = chkfield;
			var allvalid = true;
			var allnum = "";
			checkstr = checkstr.touppercase();
			for (i = 0;  i < checkstr.length;  i++)
			{
			  ch = checkstr.charat(i);
			  for (j = 0;  j < checkok.length;  j++)
				if (ch == checkok.charat(j))
					break;
			    	if (j == checkok.length)
			    	{
			      		allvalid = false;
			      		break;
			    	}
			}
		if (allvalid == false) return false;
		if (allvalid == true) return true;
	}

	
	function funcemailstring(chkfield){
			var checkok = "0123456789abcdefghijklmnopqrstuvwxyz@._-";
			var checkstr = chkfield;
			var allvalid = true;
			var allnum = "";
			checkstr = checkstr.touppercase();
			for (i = 0;  i < checkstr.length;  i++)
			{
			  ch = checkstr.charat(i);
			  for (j = 0;  j < checkok.length;  j++)
				if (ch == checkok.charat(j))
					break;
			    	if (j == checkok.length)
			    	{
			      		allvalid = false;
			      		break;
			    	}
			}
		if (allvalid == false) return false;
		if (allvalid == true) return true;
	}


	
	function funcemailchk(p_obj,p_name){
		if(p_obj.value == ""){
			alert(p_name + " ���� ȥ�� ������ �է��� �� �����θ�.");
			p_obj.focus();
			return false;
		
		}else{
			var str = p_obj.value;
			if (funcemailstring(str)) {
				for(var i=0;i<str.length;i++){
					if (str.substring(i+1,i+2) =="@"){
						var str_1 = "y";
					}
		
					if (str_1 == "y" && str.substring(i,i+1) =='.'){
						return true;
					}
		
				}
				alert("�̸��� ���ŀ� ���� �ʽ��θ�.");
				p_obj.focus();
				return false;
			
			
			}else{
				alert("�̸����� �ѱ��� �է��� �� �����θ�.");
				return false;
			}

		}
		
	}


	
	function funcchecknumeric(p_obj,p_name){
		if(isnan(p_obj.value)){
			alert(p_name + " ���ڸ� �է°��� �մθ�.");
			p_obj.value ="";
			p_obj.focus();
			return false;
		}
		return true;
	}

	
	function funcchecknumeric_1(p_obj,p_name){
		if(isnan(p_obj.value)){
			alert(p_name + " ���ڸ� �է°��� �մθ�.");
			p_obj.value =1;
			p_obj.focus();
			return false;
		}
		return true;
	}
	
	
	function funcnullchk(p_obj,p_name){
		var p_string = p_obj.value;
		
		var st_num, key_len;
		st_num = p_string.indexof(" ");
		while (st_num != -1)
		{
			p_string = p_string.replace(" ", "");
			st_num  = p_string.indexof(" ");
		}
		key_len = p_string.length;
		
		if (key_len < 1){
			alert(p_name + " ���� ȥ�� ������ �է��� �� �����θ�.");
			p_obj.focus();
			return false;
		}
		return true;
	}
	
	/*
	//���ڿ� �˻� ---------------------------------------------------
	function funcnullchk(p_obj,p_name){
		var p_string = p_obj.value;
		if (p_string.length < 1){
			alert(p_name + " ���� ȥ�� ������ �է��� �� �����θ�.");
			p_obj.focus();
			return false;
		}
		return true;
	}
	*/

	//��ȭ��ȣ üũ ---------------------------------------------------
	function functelcheck(p_obj,p_name){
		
			if(!funcnullchk(eval(p_obj + "1"),p_name)){
				return false;
			}else{
				if(!funcchecknumeric(eval(p_obj + "1"),p_name)){
					return false;
				}
		
			}
		
			if(!funcnullchk(eval(p_obj + "2"),p_name)){
				return false;
			}else{
				if(!funcchecknumeric(eval(p_obj + "2"),p_name)){
					return false;
				}
		
			}
		
			if(!funcnullchk(eval(p_obj + "3"),p_name)){
				return false;
			}else{
				if(!funcchecknumeric(eval(p_obj + "3"),p_name)){
					return false;
				}
			}
			return true;
	}


	
	function funccolor(p_obj,p_num){
		if(p_num == "1"){
			p_obj.style.background = "#e1d1bd";
			
		}else{
			p_obj.style.background = "#f0e7dd";
		}
		
	}


	function funcbigimage(p_mediumcd,p_ca,p_itemcd){
		showmodaldialog('/include/popup/viewimage.asp?mcd='+ p_mediumcd + '&ca=' + p_ca + '&itemcd=' + p_itemcd, window, 'resizable: no; help: no; status: no; scroll: no; ');
	}


	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(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") {
				isnum = false;
			}
		}
		return isnum;
	}
	
	
	// ################## script for flash & activex #########################
	
	// +++++++++++++  makeflashstring(source,id,width,height,wmode) ++++++++
	// 
	// source: source url --> �÷��� ������ ���
	// id: flash id 
	// width: source width
	// height: source height
	// wmode: wmode --> "none, transparent, opaque"
	// otherparam : �߰� �ķ���� "<param name='myparam' value='myvalue' />
	// 
	// +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
	
	
	// +++++++++++++  makeobjectstring(classid, codebase, name, id, width,height, param) ++++++++
	// 
	// classid: classid --> �÷��� ������ ���
	// codebase: cab���� ��ġ �� �������� 
	// name :
	// id :
	// width: source width
	// height: source height
	// 
	// wmode: wmode --> "none, transparent, opaque"
	// param : �߰� �ķ���� "<param name='myparam' value='myvalue' />
	// 
	// +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
	
	// example 
	// documentwrite(makeflashstring('image/ml_flash.swf','emb1','330','520','opaque'));
	// setinnerhtml(document.all.mm, makeflashstring('image/ml_flash.swf','emb1','330','520','opaque'));
	// @@���� ���� 
	//  - ��ȣ�ۿ� ���� �������� documentwrite, setinnerhtml �ѵ� ��� ����
	//  - ��ȣ�ۿ� �ִ� �������� setinnerhtml�� ��� ����
	// #######################################################################
	
	
	function makeflashstring(source,id,width,height,wmode, otherparam)
	{	
		return "<object classid=\"clsid:d27cdb6e-ae6d-11cf-96b8-444553540000\" codebase=\"http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=8,0,0,0\" width="+width+" height="+height+" id="+id+"><param name=wmode value="+wmode+" /><param name=movie value="+source+" /><param name=quality value=high />"+otherparam+"<embed src="+source+" quality=high wmode="+wmode+" type=\"application/x-shockwave-flash\" pluginspage=\"http://www.macromedia.com/shockwave/download/index.cgi?p1_prod_version=shockwaveflash\" width="+width+" height="+height+"></embed></object>";
	}
	
	function makeobjectstring(classid, codebase, name, id, width,height, param)
	{
		return "<object classid="+classid+" codebase="+codebase+" name="+name+" width="+width+" height="+height+" id="+id+"><param name=wmode value="+wmode+" />"+param+"</object>";
	}
	
	// innerhtml type
	function setinnerhtml(target, code)
	{ 
		target.innerhtml = code; 
	}
	
	// direct write type
	function documentwrite(src)
	{
		document.write(src);
	}

	function makemovie(src,wth,hth)
	{
		strobj = '  <object id=\'mediaplayer1\' name=\'mediaplayer1\' width=' + wth + ' height=' + hth + ' classid=\'clsid:22d6f312-b0f6-11d0-94ab-0080c74c7e95\' codebase=\'http://activex.microsoft.com/activex/controls/mplayer/en/nsmp2inf.cab#version=6,4,05,0809\' standby=\'loading microsoft windows media player components...\' type=\'application/x-oleobject\' viewastext> ';
		strobj = strobj + '       <embed name=\'mediaplayer1\' src=' + src + ' width=' + wth + ' height=' + hth + '></embed>    ';
		strobj = strobj + '       <param name=\'showdisplay\' value=\'false\'>   ';
		strobj = strobj + '  	   <param name=\'showcontrols\' value=\'false\'>    ';
		strobj = strobj + '        <param name=\'showtracker\' value=\'true\'>   ';
		strobj = strobj + '        <param name=\'filename\' value=' + src +  '  ';
		strobj = strobj + '        <param name=\'autostart\'            value=\'1\'>   ';
		strobj = strobj + '        <param name=\'autosize\'             value=\'0\'>   ';
		strobj = strobj + '        <param name=\'autoresize\'           value=\'0\'>   ';
		strobj = strobj + '        <param name=\'animationatstart\'     value=\'0\'>   ';
		strobj = strobj + '        <param name=\'transparentatstart\'   value=\'0\'>   ';
		strobj = strobj + '        <param name=\'autorewind\'           value=\'1\'>   ';
		strobj = strobj + '        <param name=\'showdisplay\'          value=\'0\'>   ';
		strobj = strobj + '        <param name=\'clicktoplay\'          value=\'1\'>   ';
		strobj = strobj + '        <param name=\'playcount\'            value=\'6\'>   ';
		strobj = strobj + '        <param name=\'enablecontextmenu\'    value=\'0\'>   ';
		strobj = strobj + '        <param name=\'showpositioncontrols\' value=\'0\'>  ';
		strobj = strobj + '        <param name=\'showstatusbar\'        value=\'0\'>  </object>  ';

		return strobj
	}