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JavaScript Code

var TabEffect = {
	xpcomObj : null,
	currentTab : null,
 
	init : function(){
		this.xpcomObj = Components.classes["@wkwkrl.jp/humor/tab_effect;1"].createInstance(Components.interfaces.ITabEffect);
		var	result = this.xpcomObj.init();
		if(result != 0){
			this.currentTab = gBrowser.selectedTab;
			gBrowser.mTabContainer.addEventListener("select", this.onTabSelect, true);
		}
	},
 
	onTabSelect : function(aEvent){
		var currentTabIndex = -1;
		for(var i = 0; i < gBrowser.mTabs.length; i++){
			if(TabEffect.currentTab == gBrowser.mTabs[i]){
				currentTabIndex = i;
				break;
			}
		}
		if(TabEffect.currentTab != gBrowser.selectedTab){
			var back = currentTabIndex > gBrowser.mTabContainer.selectedIndex || currentTabIndex == -1;
			TabEffect.xpcomObj.translateToNextTab(back, 7);
			TabEffect.currentTab = gBrowser.selectedTab;
		}
	},
};
 
 
window.addEventListener("load", function() {
	window.setTimeout('TabEffect.init();', 0);
}, false);