if (typeof(COMMON_JS) == 'undefined') { 
    var COMMON_JS = true;

    function winOpen(url, name, option){
        var popup = window.open(url, name, option);
        popup.focus();
    }

	function setQueryString(frm){
		var queryString = "";
		var numElements = frm.elements.length - 1; 

		for(i=0; i < numElements; i++){
			if(i < numElements - 1){
				queryString += frm.elements[i].name + "=" + encodeURIComponent(frm.elements[i].value) + "&";
			}else{
				queryString += frm.elements[i].name + "=" + encodeURIComponent(frm.elements[i].value) + "&";
			}
		}
		return queryString;
	}

	function SwapImage(obj, src){
		obj.src = src;
	}
	
	var SwapImg = function(obj,src){ 
        if( src ) old_img = obj.src; 
        obj.src = (src)?src : old_img; 
    } 

	function SwapImageLayer(){
		var args = SwapLayer.arguments;
		var arglen = args.length;
		var num	 = args[0];
		var layertag = args[1];
		var imgtag = args[2];
		var cnt = arglen - 3;
		var imgarr = new Array();
		
		for(k=0; k < cnt; k++){
			imgarr[k] = args[k+3];
		}
		
		for(i=0; i < cnt; i++){
			if(i == num)	{	
				document.getElementById(layertag + i).style.display = "block";
			}else{
				document.getElementById(layertag + i).style.display = "none";
			}

			document.getElementById(imgtag + i).src = imgarr[i];
		}
	}
	
	function SwapLayer(){
		var args = SwapLayer.arguments;
		var arglen = args.length;
		var num	 = args[0];
		var layertag = args[1];
		var imgtag = args[2];
		var cnt = arglen - 3;
		var imgarr = new Array();
		
		for(k=0; k < cnt; k++){
			imgarr[k] = args[k+3];
		}
		
		for(i=0; i < cnt; i++){
			if(i == num)	{	
				document.getElementById(layertag + i).style.display = "block";
			}else{
				document.getElementById(layertag + i).style.display = "none";
			}

			//document.getElementById(imgtag + i).src = imgarr[i];
		}
	}

	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 PostPaging(frm, url){
		frm.action = url;
		frm.submit();
	}

	var flen = 0;
	var file_max = 30;
	var file_min = 0;

	function addFile(){
		if (file_max && flen >= file_max){
			alert("파일추가는 "+ file_max+" 개 까지만 가능합니다.");
			return;
		}

		var objTbl;
		var objRow;
		var objCell;

		if (document.getElementById)
			objTbl = document.getElementById("variableBox");
		else
			objTbl = document.all["variableBox"];

		objRow = objTbl.insertRow(objTbl.rows.length);
		objCell = objRow.insertCell(0);
		objCell.innerHTML = "<input type='file' name='file_up[]' class='input'  style='width:300px;'>";
		flen++;
	}

	function delFile(){
		var objTbl = document.getElementById("variableBox");
		if (objTbl.rows.length > file_min){
			objTbl.deleteRow(objTbl.rows.length - 1);
			flen--;
		}
	}
	
	function FlashObject(swf, width, height, bgcolor, flashvars)
	{
	    var strFlashTag = new String();
	
		strFlashTag += "<OBJECT classid=\"clsid:D27CDB6E-AE6D-11cf-96B8-444553540000\" ";
		strFlashTag += "codebase=\"http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=6,0,40,0\" ";
		strFlashTag += "WIDTH=\"" + width + "\" HEIGHT=\"" + height + "\" id=\"" + flashvars + "\">";
		strFlashTag += "<PARAM NAME=movie VALUE=\"" + swf + "\">";
		strFlashTag += "<PARAM NAME=quality VALUE=high>";
		strFlashTag += "<PARAM value=transparent name=wmode>";
		strFlashTag += "<PARAM NAME=bgcolor VALUE=#FFFFFF>";
		strFlashTag += "<EMBED src=\"" + swf + "\" quality=high bgcolor=#FFFFFF WIDTH=\"" + width + "\" HEIGHT=\"" + height + "\"";
		strFlashTag += "NAME=\"" + flashvars + "\" ALIGN=\"\" TYPE=\"application/x-shockwave-flash\"";
		strFlashTag += "PLUGINSPAGE=\"http://www.macromedia.com/go/getflashplayer\">";
		strFlashTag += "</EMBED>";
		strFlashTag += "</OBJECT>";
	
		document.write(strFlashTag);
	}	

	function nextFocus(thisitem,cnt,nextitem) { 
		if(thisitem.value.length  == cnt) 
		nextitem.focus(); 
	}


	function DirectOrder(gid){
		location.href = '/08_etc/cart.php?mode=directorder&gid=' + gid + '&gnum=' + document.getElementById('goodsnum').value;
	}
	
	function AddCart(gid){
		location.href = '/08_etc/cart.php?mode=cartadd&gid=' + gid + '&gnum=' + document.getElementById('goodsnum').value;
	}

	function ChangeGoodsNum(n){
		var tmp=0;
		tmp = Number(document.getElementById('goodsnum').value) + n;

		if(tmp < 1){
			tmp = 1;
		}

		document.getElementById('goodsnum').value = tmp;
	}
	
	
	function DoAjax(ajaxMethod, ajaxUrl, ajaxData, ajaxTarget, ajaxOutput ){ 
		function ajaxObject(){ 
			if (document.all && !window.opera)	{ 
				obj = new ActiveXObject("Microsoft.XMLHTTP");
			}else{ 
				obj = new XMLHttpRequest();
			}
			return obj;
		}
		
		var ajaxHttp = ajaxObject(); 
		
		if(ajaxMethod == "GET")
			ajaxUrl = ajaxUrl + "?" + ajaxData;
		
		ajaxHttp.open(ajaxMethod, ajaxUrl); //async default is true.
		
		ajaxHttp.onreadystatechange = function(){ 
			if(ajaxHttp.readyState == 4){ 
				if(ajaxHttp.status == 200){
					
					var ajaxResponse = ajaxHttp.responseText; 
					if (ajaxOutput == "innerHTML"){ 
						document.getElementById(ajaxTarget).innerHTML = ajaxResponse;
					}else if (ajaxOutput == "value"){ 
						document.getElementById(ajaxTarget).value = ajaxResponse;
					}
				}else{
					alert('error');
				}
			}
		}
		
		if(ajaxMethod == "POST"){
			ajaxHttp.setRequestHeader('Content-Type','application/x-www-form-urlencoded');
			//ajaxHttp.setRequestHeader("Content-length", ajaxData.length);
			ajaxHttp.send(ajaxData);
		}else{
			ajaxHttp.send(null);
		}

	}
	
	function ResetDiv(divname){
		document.getElementById(divname).innerHTML = "";
	}

	function checkOnly(chk, nm){
        var obj = document.getElementsByName(nm);
        for(var i=0; i<obj.length; i++){
            if(obj[i] != chk){
                obj[i].checked = false;
            }
        }
    }

}