(function($){

  var dropShadowZindex = 1;  //z-index counter

  $.fn.dropShadow = function(options)
  {
    // Default options
    var opt = $.extend({
      left: 4,
      top: 4,
      blur: 2,
      opacity: .5,
      color: "black",
      swap: false
      }, options);
    var jShadows = $([]);  //empty jQuery collection
    
    // Loop through original elements
    this.not(".dropShadow").each(function()
    {
      var jthis = $(this);
      var shadows = [];
      var blur = (opt.blur <= 0) ? 0 : opt.blur;
      var opacity = (blur == 0) ? opt.opacity : opt.opacity / (blur * 8);
      var zOriginal = (opt.swap) ? dropShadowZindex : dropShadowZindex + 1;
      var zShadow = (opt.swap) ? dropShadowZindex + 1 : dropShadowZindex;
      
      // Create ID for shadow
      var shadowId;
      if (this.id) {
        shadowId = this.id + "_dropShadow";
      }
      else {
        shadowId = "ds" + (1 + Math.floor(9999 * Math.random()));
      }

      // Modify original element
      $.data(this, "shadowId", shadowId); //store id in expando
      $.data(this, "shadowOptions", options); //store options in expando
      jthis
        .attr("shadowId", shadowId)
        .css("zIndex", zOriginal);
      if (jthis.css("position") != "absolute") {
        jthis.css({
          position: "relative",
          zoom: 1 //for IE layout
        });
      }

      // Create first shadow layer
      bgColor = jthis.css("backgroundColor");
      if (bgColor == "rgba(0, 0, 0, 0)") bgColor = "transparent";  //Safari
      if (bgColor != "transparent" || jthis.css("backgroundImage") != "none" 
          || this.nodeName == "SELECT" 
          || this.nodeName == "INPUT"
          || this.nodeName == "TEXTAREA") {   
        shadows[0] = $("<div></div>")
          .css("background", opt.color);                
      }
      else {
        shadows[0] = jthis
          .clone()
          .removeAttr("id")
          .removeAttr("name")
          .removeAttr("shadowId")
          .css("color", opt.color);
      }
      shadows[0]
        .addClass("dropShadow")
        .css({
          height: jthis.outerHeight(),
          left: blur,
          opacity: opacity,
          position: "absolute",
          top: blur,
          width: jthis.outerWidth(),
          zIndex: zShadow
        });
        
      // Create other shadow layers
      var layers = (8 * blur) + 1;
      for (i = 1; i < layers; i++) {
        shadows[i] = shadows[0].clone();
      }

      // Position layers
      var i = 1;      
      var j = blur;
      while (j > 0) {
        shadows[i].css({left: j * 2, top: 0});           //top
        shadows[i + 1].css({left: j * 4, top: j * 2});   //right
        shadows[i + 2].css({left: j * 2, top: j * 4});   //bottom
        shadows[i + 3].css({left: 0, top: j * 2});       //left
        shadows[i + 4].css({left: j * 3, top: j});       //top-right
        shadows[i + 5].css({left: j * 3, top: j * 3});   //bottom-right
        shadows[i + 6].css({left: j, top: j * 3});       //bottom-left
        shadows[i + 7].css({left: j, top: j});           //top-left
        i += 8;
        j--;
      }

      // Create container
      var divShadow = $("<div></div>")
        .attr("id", shadowId) 
        .addClass("dropShadow")
        .css({
          left: jthis.position().left + opt.left - blur,
          marginTop: jthis.css("marginTop"),
          marginRight: jthis.css("marginRight"),
          marginBottom: jthis.css("marginBottom"),
          marginLeft: jthis.css("marginLeft"),
          position: "absolute",
          top: jthis.position().top + opt.top - blur,
          zIndex: zShadow
        });

      // Add layers to container  
      for (i = 0; i < layers; i++) {
        divShadow.append(shadows[i]);
      }
      
      // Add container to DOM
      jthis.after(divShadow);

      // Add shadow to return set
      jShadows = jShadows.add(divShadow);

      // Re-align shadow on window resize
      $(window).resize(function()
      {
        try {
          divShadow.css({
            left: jthis.position().left + opt.left - blur,
            top: jthis.position().top + opt.top - blur
          });
        }
        catch(e){}
      });
      
      // Increment z-index counter
      dropShadowZindex += 2;

    });  //end each
    
    return this.pushStack(jShadows);
  };


  $.fn.redrawShadow = function()
  {
    // Remove existing shadows
    this.removeShadow();
    
    // Draw new shadows
    return this.each(function()
    {
      var shadowOptions = $.data(this, "shadowOptions");
      $(this).dropShadow(shadowOptions);
    });
  };


  $.fn.removeShadow = function()
  {
    return this.each(function()
    {
      var shadowId = $(this).shadowId();
      $("div#" + shadowId).remove();
    });
  };


  $.fn.shadowId = function()
  {
    return $.data(this[0], "shadowId");
  };


  $(function()  
  {
    // Suppress printing of shadows
    var noPrint = "<style type='text/css' media='print'>";
    noPrint += ".dropShadow{visibility:hidden;}</style>";
    $("head").append(noPrint);
  });

})(jQuery);

(function($) {
	$.fn.hoverIntent = function(f,g) {
		// default configuration options
		var cfg = {
			sensitivity: 1,
			interval: 50,
			timeout: 0
		};
		// override configuration options with user supplied object
		cfg = $.extend(cfg, g ? { over: f, out: g } : f );

		// instantiate variables
		// cX, cY = current X and Y position of mouse, updated by mousemove event
		// pX, pY = previous X and Y position of mouse, set by mouseover and polling interval
		var cX, cY, pX, pY;

		// A private function for getting mouse position
		var track = function(ev) {
			cX = ev.pageX;
			cY = ev.pageY;
		};

		// A private function for comparing current and previous mouse position
		var compare = function(ev,ob) {
			ob.hoverIntent_t = clearTimeout(ob.hoverIntent_t);
			// compare mouse positions to see if they've crossed the threshold
			if ( ( Math.abs(pX-cX) + Math.abs(pY-cY) ) < cfg.sensitivity ) {
				$(ob).unbind("mousemove",track);
				// set hoverIntent state to true (so mouseOut can be called)
				ob.hoverIntent_s = 1;
				return cfg.over.apply(ob,[ev]);
			} else {
				// set previous coordinates for next time
				pX = cX; pY = cY;
				// use self-calling timeout, guarantees intervals are spaced out properly (avoids JavaScript timer bugs)
				ob.hoverIntent_t = setTimeout( function(){compare(ev, ob);} , cfg.interval );
			}
		};

		// A private function for delaying the mouseOut function
		var delay = function(ev,ob) {
			ob.hoverIntent_t = clearTimeout(ob.hoverIntent_t);
			ob.hoverIntent_s = 0;
			return cfg.out.apply(ob,[ev]);
		};

		// A private function for handling mouse 'hovering'
		var handleHover = function(e) {
			// next three lines copied from jQuery.hover, ignore children onMouseOver/onMouseOut
			var p = (e.type == "mouseover" ? e.fromElement : e.toElement) || e.relatedTarget;
			while ( p && p != this ) { try { p = p.parentNode; } catch(e) { p = this; } }
			if ( p == this ) { return false; }

			// copy objects to be passed into t (required for event object to be passed in IE)
			var ev = jQuery.extend({},e);
			var ob = this;

			// cancel hoverIntent timer if it exists
			if (ob.hoverIntent_t) { ob.hoverIntent_t = clearTimeout(ob.hoverIntent_t); }

			// else e.type == "onmouseover"
			if (e.type == "mouseover") {
				// set "previous" X and Y position based on initial entry point
				pX = ev.pageX; pY = ev.pageY;
				// update "current" X and Y position based on mousemove
				$(ob).bind("mousemove",track);
				// start polling interval (self-calling timeout) to compare mouse coordinates over time
				if (ob.hoverIntent_s != 1) { ob.hoverIntent_t = setTimeout( function(){compare(ev,ob);} , cfg.interval );}

			// else e.type == "onmouseout"
			} else {
				// unbind expensive mousemove event
				$(ob).unbind("mousemove",track);
				// if hoverIntent state is true, then call the mouseOut function after the specified delay
				if (ob.hoverIntent_s == 1) { ob.hoverIntent_t = setTimeout( function(){delay(ev,ob);} , cfg.timeout );}
			}
		};

		// bind the function to the two event listeners
		return this.mouseover(handleHover).mouseout(handleHover);
	};
})(jQuery);

var ie5 = (navigator.appName == "Microsoft Internet Explorer" && parseInt(navigator.appVersion) == 4 && navigator.appVersion.indexOf("MSIE 5.0") != -1);
var ie55 = (navigator.appName == "Microsoft Internet Explorer" && parseInt(navigator.appVersion) == 4 && navigator.appVersion.indexOf("MSIE 5.5") != -1);
var ie6 = (navigator.appName == "Microsoft Internet Explorer" && parseInt(navigator.appVersion) == 4 && navigator.appVersion.indexOf("MSIE 6.0") != -1);

if (!ie5) {
	jQuery(document).ready(function(){
		jQuery("a[rel='external']").each(function(i){
			if (typeof jQuery(this).attr('title') == "undefined" )
				jQuery(this).attr('title',jQuery(this).attr('href')+'    (external link)');
			else
				jQuery(this).attr('title',jQuery(this).attr('title')+'    (external link)');
			jQuery(this).append('<span class="external" title="'+jQuery(this).attr('title')+'">&nbsp;</span>').click(function(){
				window.open(jQuery(this).attr('href')); return false;
			});
		});
	});
}

(function($) {

jQuery.fn.pngFix = function(settings) {

	// Settings
	settings = jQuery.extend({
		blankgif: 'blank.gif'
	}, settings);

	var ie55 = (navigator.appName == "Microsoft Internet Explorer" && parseInt(navigator.appVersion) == 4 && navigator.appVersion.indexOf("MSIE 5.5") != -1);
	var ie6 = (navigator.appName == "Microsoft Internet Explorer" && parseInt(navigator.appVersion) == 4 && navigator.appVersion.indexOf("MSIE 6.0") != -1);
	var ie7 = (navigator.appName == "Microsoft Internet Explorer" && parseInt(navigator.appVersion) == 4 && navigator.appVersion.indexOf("MSIE 7.0") != -1);
	var ie8 = (navigator.appName == "Microsoft Internet Explorer" && parseInt(navigator.appVersion) == 4 && navigator.appVersion.indexOf("MSIE 8.0") != -1);

	if (jQuery.browser.msie && (ie55 || ie6 || ie7 || ie8)) {

		//fix images with png-source
		jQuery(this).find("img[src$=.png]").each(function() {

			jQuery(this).attr('width',jQuery(this).width());
			jQuery(this).attr('height',jQuery(this).height());

			var prevStyle = '';
			var strNewHTML = '';
			var imgId = (jQuery(this).attr('id')) ? 'id="' + jQuery(this).attr('id') + '" ' : '';
			var imgClass = (jQuery(this).attr('class')) ? 'class="' + jQuery(this).attr('class') + '" ' : '';
			var imgTitle = (jQuery(this).attr('title')) ? 'title="' + jQuery(this).attr('title') + '" ' : '';
			var imgAlt = (jQuery(this).attr('alt')) ? 'alt="' + jQuery(this).attr('alt') + '" ' : '';
			var imgAlign = (jQuery(this).attr('align')) ? 'float:' + jQuery(this).attr('align') + ';' : '';
			var imgHand = (jQuery(this).parent().attr('href')) ? 'cursor:hand;' : '';
			if (this.style.border) {
				prevStyle += 'border:'+this.style.border+';';
				this.style.border = '';
			}
			if (this.style.padding) {
				prevStyle += 'padding:'+this.style.padding+';';
				this.style.padding = '';
			}
			if (this.style.margin) {
				prevStyle += 'margin:'+this.style.margin+';';
				this.style.margin = '';
			}
			var imgStyle = (this.style.cssText);

			strNewHTML += '<span '+imgId+imgClass+imgTitle+imgAlt;
			strNewHTML += 'style="position:relative;white-space:pre-line;display:inline-block;background:transparent;'+imgAlign+imgHand;
			strNewHTML += 'width:' + jQuery(this).width() + 'px;' + 'height:' + jQuery(this).height() + 'px;';
			strNewHTML += 'filter:progid:DXImageTransform.Microsoft.AlphaImageLoader' + '(src=\'' + jQuery(this).attr('src') + '\', sizingMethod=\'scale\');';
			strNewHTML += imgStyle+'"></span>';
			if (prevStyle != ''){
				strNewHTML = '<span style="position:relative;display:inline-block;'+prevStyle+imgHand+'width:' + jQuery(this).width() + 'px;' + 'height:' + jQuery(this).height() + 'px;'+'">' + strNewHTML + '</span>';
			}

			jQuery(this).hide();
			jQuery(this).after(strNewHTML);

		});

		// fix css background pngs
		jQuery(this).find("*").each(function(){
			var bgIMG = jQuery(this).css('background-image');
			if(bgIMG.indexOf(".png")!=-1){
				var iebg = bgIMG.split('url("')[1].split('")')[0];
				jQuery(this).css('background-image', 'none');
				jQuery(this).get(0).runtimeStyle.filter = "progid:DXImageTransform.Microsoft.AlphaImageLoader(src='" + iebg + "',sizingMethod='scale')";
			}
		});
		
		//fix input with png-source
		jQuery(this).find("input[src$=.png]").each(function() {
			var bgIMG = jQuery(this).attr('src');
			jQuery(this).get(0).runtimeStyle.filter = 'progid:DXImageTransform.Microsoft.AlphaImageLoader' + '(src=\'' + bgIMG + '\', sizingMethod=\'scale\');';
   		jQuery(this).attr('src', settings.blankgif)
		});
	
	}
	
	return jQuery;

};

})(jQuery);

//comment
function commentOn (value, This) {
	if (value=="1") {
		This.style.background="url('/images/img_cm01_on.gif') no-repeat 11px 6px";
		This.style.backgroundColor="#fdfdf2";
	}
	else if (value=="2") {
		This.style.background="url('/images/img_cm02_on.gif') no-repeat 11px 7px";
		This.style.backgroundColor="#fdfdf2";
	}
	else if (value=="3") {
		This.style.background="url('/images/img_cm03_on.gif') no-repeat 11px 7px";
		This.style.backgroundColor="#fdfdf2";
	}
	else if (value=="4") {
		This.style.background="url('/images/img_cm04_on.gif') no-repeat 10px 11px";
		This.style.backgroundColor="#fdfdf2";
		This.style.width="94%";
	}
}

function commentOut (value, This) {
	if (value=="1") {
		This.style.background="url('/images/img_cm01.gif') no-repeat 11px 6px";
		This.style.backgroundColor="#ffffff";
	}
	else if (value=="2") {
		This.style.background="url('/images/img_cm02.gif') no-repeat 11px 7px";
		This.style.backgroundColor="#ffffff";
	}
	else if (value=="3") {
		This.style.background="url('/images/img_cm03.gif') no-repeat 11px 7px";
		This.style.backgroundColor="#ffffff";
	}
	else if (value=="4") {
		This.style.background="url('/images/img_cm04.gif') no-repeat 10px 11px";
		This.style.backgroundColor="#ffffff";
	}
}

/* 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+"',sizeMethod='image');"
	objsrc='';
	return '';
}

function rightbn (value) {
	if (value=="1") {
		document.getElementById("tab1").className="on";
		document.getElementById("tab2").className="";
		document.getElementById("tab3").className="";
		document.getElementById("cnt1").style.display="";
		document.getElementById("cnt2").style.display="none";
		document.getElementById("cnt3").style.display="none";
	}
	else if (value=="2") {
		document.getElementById("tab1").className="";
		document.getElementById("tab2").className="on";
		document.getElementById("tab3").className="";
		document.getElementById("cnt1").style.display="none";
		document.getElementById("cnt2").style.display="";
		document.getElementById("cnt3").style.display="none";
	}
	else if (value=="3") {
		document.getElementById("tab1").className="";
		document.getElementById("tab2").className="";
		document.getElementById("tab3").className="on";
		document.getElementById("cnt1").style.display="none";
		document.getElementById("cnt2").style.display="none";
		document.getElementById("cnt3").style.display="";
	}
}

function chk_contact() {
	var form=document.form;
	if (form.contact1.value=="") {
		alert("회사명을 입력하세요.");
		form.contact1.focus();
		return false;
	}
	else if (form.contact3.value=="") {
		alert("이름을 입력하세요.");
		form.contact3.focus();
		return false;
	}
	else if (form.contact4.value=="") {
		alert("전화번호를 입력하세요.");
		form.contact4.focus();
		return false;
	}
	else if (form.contact5.value=="") {
		alert("이메일을 입력하세요.");
		form.contact5.focus();
		return false;
	}
	else if (form.contact6.value=="") {
		alert("제목을 입력하세요.");
		form.contact6.focus();
		return false;
	}
	else if (form.contact7.value=="") {
		alert("내용을 입력하세요.");
		form.contact7.focus();
		return false;
	}
	else { return true; }
}