function getScrollXY() {
    var x = 0, y = 0;
    if( typeof( window.pageYOffset ) == 'number' ) {
        // Netscape
        x = window.pageXOffset;
        y = window.pageYOffset;
    } else if( document.body && ( document.body.scrollLeft || document.body.scrollTop ) ) {
        // DOM
        x = document.body.scrollLeft;
        y = document.body.scrollTop;
    } else if( document.documentElement && ( document.documentElement.scrollLeft || document.documentElement.scrollTop ) ) {
        // IE6 standards compliant mode
        x = document.documentElement.scrollLeft;
        y = document.documentElement.scrollTop;
    }
    
    setScrollXY(x, y);
    
    
}
            
function setScrollXY(x, y) {
    
    window.scrollTo(x,y);
}

function setTab(selectedtab)
{
        switch (selectedtab)
        {
            case "about":
                ajaxpage('/Portals/0/Skins/evthtml/files/about.htm', 'subnav');
                document.getElementById('subnav').style.background='url(/Portals/0/Skins/evthtml/images/tab_about_expanded.gif)';
                document.getElementById('tabtop').src='/Portals/0/Skins/evthtml/images/tabtop_about.gif';
                document.getElementById('tababout').src='/Portals/0/Skins/evthtml/images/tab_about_on.gif';
                document.getElementById('tabsolutions').src='/Portals/0/Skins/evthtml/images/tab_solutions.gif';
                document.getElementById('tabmo').src='/Portals/0/Skins/evthtml/images/tab_mo.gif';
                document.getElementById('tabgi').src='/Portals/0/Skins/evthtml/images/tab_gi.gif';
                getScrollXY();
            break;
            case "solutions":
                ajaxpage('/Portals/0/Skins/evthtml/files/solutions.htm', 'subnav');
                document.getElementById('subnav').style.background='url(/Portals/0/Skins/evthtml/images/tab_solutions_expanded.gif)';
                document.getElementById('tabtop').src='/Portals/0/Skins/evthtml/images/tabtop_solutions.gif';
                document.getElementById('tabsolutions').src='/Portals/0/Skins/evthtml/images/tab_solutions_on.gif';
                document.getElementById('tababout').src='/Portals/0/Skins/evthtml/images/tab_about.gif';
                document.getElementById('tabmo').src='/Portals/0/Skins/evthtml/images/tab_mo.gif';
                document.getElementById('tabgi').src='/Portals/0/Skins/evthtml/images/tab_gi.gif';
                getScrollXY();
            break;
            case "ministry":
                ajaxpage('/Portals/0/Skins/evthtml/files/ministry.htm', 'subnav');
                document.getElementById('subnav').style.background='url(/Portals/0/Skins/evthtml/images/tab_mo_expanded.gif)';
                document.getElementById('tabtop').src='/Portals/0/Skins/evthtml/images/tabtop_mo.gif';
                document.getElementById('tabmo').src='/Portals/0/Skins/evthtml/images/tab_mo_on.gif';
                document.getElementById('tababout').src='/Portals/0/Skins/evthtml/images/tab_about.gif';
                document.getElementById('tabsolutions').src='/Portals/0/Skins/evthtml/images/tab_solutions.gif';
                document.getElementById('tabgi').src='/Portals/0/Skins/evthtml/images/tab_gi.gif';
                getScrollXY();
            break;
            case "getinvolved":
                ajaxpage('/Portals/0/Skins/evthtml/files/getinvolved.htm', 'subnav');
                document.getElementById('subnav').style.background='url(/Portals/0/Skins/evthtml/images/tab_gi_expanded.gif)';
                document.getElementById('tabtop').src='/Portals/0/Skins/evthtml/images/tabtop_gi.gif';
                document.getElementById('tabgi').src='/Portals/0/Skins/evthtml/images/tab_gi_on.gif';
                document.getElementById('tababout').src='/Portals/0/Skins/evthtml/images/tab_about.gif';
                document.getElementById('tabsolutions').src='/Portals/0/Skins/evthtml/images/tab_solutions.gif';
                document.getElementById('tabmo').src='/Portals/0/Skins/evthtml/images/tab_mo.gif';
                getScrollXY();
            break;
        }   
}