var active_scroll = false;
$(document).ready(function(){
    $('.header a.textsize-decrease').click(function(){
        $('body').css('font-size','11px');
        $('.vscrollerbase').css('visibility','hidden');
        $('.vscrollerbar').css('visibility','hidden');
		$('.contentwrapper').css('position','static');
    });
    $('.header a.textsize-reset').click(function(){
        $('body').css('font-size','12px');
        $('.vscrollerbase').css('visibility','hidden');
        $('.vscrollerbar').css('visibility','hidden');
        $('.contentwrapper').css('position','static');
    });
    $('.header a.textsize-increse').click(function(){
        $('body').css('font-size','13px');
        if (!(active_scroll)) {
            fleXnewsTicker('idscroll', false, 60, 1, false, 3000, false);
            active_scroll=true;
        }
        else {
            $('.vscrollerbase').css('visibility','visible');
            $('.vscrollerbar').css('visibility','visible');
            $('.contentwrapper').css('position','relative');
        }
    });
})

var DDSPEED = 3;
var DDTIMER = 5;

// main function to handle the mouse events //
function ddMenu(id,d){
    var h = document.getElementById(id + '-ddheader');
    var c = document.getElementById(id + '-ddcontent');
    clearInterval(c.timer);
    if(d == 1){
        clearTimeout(h.timer);
        if(c.maxh && c.maxh <= c.offsetHeight){return}
    else {
        c.style.display = 'block';
        c.style.height = 'auto';
        c.maxh = c.offsetHeight;
        c.style.height = '1px';
    }
        c.timer = setInterval(function(){ddSlide(c,1)},DDTIMER);
    }else{
        h.timer = setTimeout(function(){ddCollapse(c)},50);
    }
}

// collapse the menu //
function ddCollapse(c){
    c.timer = setInterval(function(){ddSlide(c,-1)},DDTIMER);
}

// cancel the collapse if a user rolls over the dropdown //
function cancelHide(id){
    var h = document.getElementById(id + '-ddheader');
    var c = document.getElementById(id + '-ddcontent');
    clearTimeout(h.timer);
    clearInterval(c.timer);
    if(c.offsetHeight < c.maxh){
        c.timer = setInterval(function(){ddSlide(c,1)},DDTIMER);
    }
}

// incrementally expand/contract the dropdown and change the opacity //
function ddSlide(c,d){
    var currh = c.offsetHeight;
    var dist;
    if(d == 1){
        dist = (Math.round((c.maxh - currh) / DDSPEED));
    }else{
        dist = (Math.round(currh / DDSPEED));
    }
    if(dist <= 1 && d == 1){
        dist = 1;
    }
    c.style.height = currh + (dist * d) + 'px';
    c.style.opacity = currh / c.maxh;
    c.style.filter = 'alpha(opacity=' + (currh * 100 / c.maxh) + ')';
    if((currh < 2 && d != 1) || (currh > (c.maxh - 2) && d == 1)){
        clearInterval(c.timer);
       
    }
}
