var activeType = "1pt";
var tabImages = new Array(new Image(), new Image());
tabImages[0].src = "Images/eligible_tab_off.png";
tabImages[1].src = "Images/eligible_tab_on.png";
var tabPrefix = "tab_";
var displayPrefix = "display_";

function eligibleBodySwap(obj){
    //obj = obj.firstChild;
    if(obj.id != (tabPrefix + activeType)){
        document.getElementById(tabPrefix + activeType).className = "tab"; //reset active tab to inactive
        obj.className = "tab active"; //set clicked tab to active
        activeType = obj.id.split("_")[1];
        document.getElementById("productareamain").className = displayPrefix + activeType;
        //alert("yes");
    }
}

function eligibleLineExpand(obj){
    obj = obj.parentNode;
    if(obj.className != ""){
        obj.className = "";
        obj.getElementsByTagName("IMG")[0].src = "Images/eligible_icon_plus.gif";
    }
    else{
        obj.className = "active_prod";
        obj.getElementsByTagName("IMG")[0].src = "Images/eligible_icon_minus.gif";
    }
}