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_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_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_showHideLayers() { //v3.0
  var i,p,v,obj,args=MM_showHideLayers.arguments;
  for (i=0; i<(args.length-2); i+=3) if ((obj=MM_findObj(args[i]))!=null) { v=args[i+2];
    if (obj.style) { obj=obj.style; v=(v=='show')?'visible':(v='hide')?'hidden':v; }
    obj.visibility=v; }
}

function doBlink() {
	var blink = document.all.tags("BLINK")
	for (var i=0; i<blink.length; i++)
	blink[i].style.visibility = blink[i].style.visibility == "" ? "hidden" : "" 
}

function startBlink() {
	if (document.all)
		setInterval("doBlink()",500)
}


function LinkBasketProduct(linkData)
{
	arrData = linkData.split(':')
	if(arrData[0] != '')
		if(arrData[1] > 0) {
			location.href='prd_detail.asp?subDisplayID=' + arrData[0]  + '&WProdID=' + arrData[1]
		} else {
			location.href='basket_list.asp'
		}
}




//¸Þ¼¼Áö ¹ÙÀÌÆ® °è»ê
function cal_byte(strName,intlength,strGubun,strCheck) 
{

	var tmpStr;
	var temp=0;
	var onechar;
	var tcount;
	tcount = 0;

	tmpStr = new String(strName);
	temp = tmpStr.length;

	for (k=0;k<temp;k++)
	{
		onechar = tmpStr.charAt(k);
		if (escape(onechar) =='%0D') { } else if (escape(onechar).length > 4) { tcount += 2; } else { tcount++; }
	}
	if (strCheck=="2"){
		document.form.cbyte.value = tcount;
	}
	if(tcount>intlength) {
		reserve = tcount-intlength;
		alert(+intlength+" ¹ÙÀÌÆ® ÀÌ»óÀº ¾²½Ç¼ö ¾ø½À´Ï´Ù.\n\n¾²½Å ¸Þ¼¼Áö´Â "+reserve+"¹ÙÀÌÆ®°¡ ÃÊ°úµÇ¾ú½À´Ï´Ù.\n\nÃÊ°úµÈ ºÎºÐÀº ÀÚµ¿À¸·Î »èÁ¦µË´Ï´Ù."); 
		cutText(strName,intlength,strGubun);
	return;
	}	

}


function cutText(strName,intlength,strGubun)
{

	var tmpStr;
	var temp=0;
	var onechar;
	var tcount;
	tcount = 0;

	tmpStr = new String(strName);
	temp = tmpStr.length;

	for(k=0;k<temp;k++)
	{
		onechar = tmpStr.charAt(k);

		if(escape(onechar).length > 4) {
			tcount += 2;
		} else {
			if(escape(onechar)=='%0A') {
			} else {
				tcount++;
			}
		}

		if(tcount>intlength) {
			tmpStr = tmpStr.substring(0,k);
			break;
		}

	}
	if(strGubun=="1"){
	document.form.memo.value = tmpStr;
	}
	//cal_byte(tmpStr,intlength);

}

function trim(str)
{
  return str.replace(/(^\s+)|(\s+)$/,"");
}



function IsNumber(str) {

    if(str=="") return false;
    var input="1234567890";
    for (var i=0;i<str.length;i++) {
                if(input.indexOf(str.charAt(i)) < 0 ) {
                        return false;
                }
    }
    return true;
}



// checkEmpty
//		ÀÔ·ÂµÈ ¹®ÀÚ°¡ ÀÖ´ÂÁö ¿©ºÎ¸¦ üũ
function checkEmpty(field,name) {
	if (trim(field.value) == "") {
		alert (name + " ÀÔ·ÂÇØÁÖ¼¼¿ä");
	 	field.focus();
	 	return false;
	} else
	 	return true;
}

function focusChange(current, next, maxSize)
{
	if(current.value.length > parseInt(maxSize)) {
		next.focus()
	}
}

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

function check_email(str){

	if( str == "" ) return false;
	if (str != "") {
		if(str.indexOf('@')==-1 || str.indexOf('.')==-1 
		   || (str.indexOf('@')>str.indexOf('.') )   ){
			return false;
		}
	}
	return true;
}