function public_Labels(label1, label2){
        
        t1.innerText = label1;
        t2.innerText = label2;
}

function public_Contents(contents1, contents2){

        t1Contents.innerHTML = contents1;
        t2Contents.innerHTML = contents2;

        init();
}

function init(){
        tabContents.innerHTML = t1Contents.innerHTML;
}       

var currentTab;
var tabBase;
var firstFlag = true;

function changeTabs(){

        if(firstFlag == true){
                currentTab = t1;
                tabBase = t1base;
                firstFlag = false;
        }

        if(window.event.srcElement.className == "tab"){

                currentTab.className = "tab";

                tabBase.style.backgroundColor = "white";

                currentTab = window.event.srcElement;

                tabBaseID = currentTab.id + "base";

                tabContentID = currentTab.id + "Contents";

                tabBase = document.all(tabBaseID);

                tabContent = document.all(tabContentID);

                currentTab.className = "selTab";
                
                tabBase.style.backgroundColor = "";

                tabContents.innerHTML = tabContent.innerHTML;

        }
}