// JavaScript Document
var oldObjTab=new Array(3);
var oldObjTabContent=new Array(3);

function showTabIndex(defaultIndex,nowIndex,objTabType,class1,class2,bgimg1,bgimg2)
{
	var objTab,objTabContent;
	objTab			= document.getElementById("Tab_"+nowIndex);
	objTabContent	= document.getElementById("Tab_Content_"+nowIndex);
	if(oldObjTab[objTabType]==null) oldObjTab[objTabType]=document.getElementById("Tab_"+defaultIndex);
	if(oldObjTabContent[objTabType]==null) oldObjTabContent[objTabType]=document.getElementById("Tab_Content_"+defaultIndex);
	if(objTabContent!=null){
		if(oldObjTabContent[objTabType]!=null&&oldObjTabContent[objTabType]!=objTabContent){
			oldObjTabContent[objTabType].style.display="none";
			oldObjTab[objTabType].className=class2;
		}
		if(oldObjTab[objTabType]!=null&&oldObjTab[objTabType]!=objTab){
			oldObjTab[objTabType].parentNode.style.backgroundImage='url(images/'+bgimg2+')';
		}
		objTabContent.style.display="";
		objTab.parentNode.style.backgroundImage='url(images/'+bgimg1+')';
		objTab.className=class1;
		oldObjTab[objTabType]=objTab;
		oldObjTabContent[objTabType]=objTabContent;
	}
}