var activelink = "bridge";

var deactivatedlink;



var activebodytext = "frontpage";

var deactivatedbodytext;



	function makeVisible(id)

		{

		document.getElementById(id).style.visibility="visible";

		}

	

	function makeHidden(id)

		{

		document.getElementById(id).style.visibility="hidden";

		}

		

	function hideIcon(id)

		{

		

		if(id != activelink)

			{

			document.getElementById(id).style.visibility="hidden";

			}

		}

	

	function makeActive(icon,bodytext)

		{

		deactivatedlink = activelink;

		activelink = icon;

		hideIcon(deactivatedlink)

		makeVisible(activelink)

		

		deactivatedbodytext =	 activebodytext;

		activebodytext = bodytext;

		

		swapItems(deactivatedbodytext,activebodytext)

		}

		

	function swapItems(a,b)

		{

		document.getElementById(a).style.visibility="hidden";

		document.getElementById(b).style.visibility="visible";

		}

	

	

	function changeMainImage(source,alt)

  		{

  		document.getElementById("mainimage").src=source;

  		document.getElementById("mainimage").alt=alt;

  		}

		

		

	function changeStyle(object,property,newvalue)

  		{

  		document.getElementById(object).style.backgroundColor=newvalue;

  		}	



		
	function changeTextColor(object,newvalue)

  		{

  		document.getElementById(object).style.color=newvalue;
		
  		}
  		
  	function restoreTextColor(object,newvalue)

  		{

  		document.getElementById(object).style.color=newvalue;
		
  		}
  	
  		
  		

	function changeSource(target,source)					

		{

  		document.getElementById(target).src=source;

  		}	

  		

  	function changeToEnglish()	

  		{

		 var englishtext;



		if (activebodytext.match("2"))

			{

			var koreantext = activebodytext;

			englishtext = (activebodytext.replace(/2/,""));

   			makeActive(activelink,englishtext);

			changeSource("tabmap","images/englishtab.png");

			}

  		

  		}

  		

	function changeToKorean()

  		{

                 var koreantext;



			  if (activebodytext.match("2")) 

				{

				

				}

				else

				{

				    var englishtext = activebodytext;

				    koreantext = (englishtext+"2");

   				    makeActive(activelink,koreantext);

				    changeSource("tabmap","images/koreantab.png");

				}

  		}

  		

  	function licensePopup()

		{

		var p=window.createPopup();

		var pbody=p.document.body;

		pbody.style.backgroundImage.src="images/business_license.jpg";

		pbody.style.border="solid black 2px";

		p.show(30,30,530,717,document.body);

		}