function _over(name)
{
    Src = document.getElementById(name).src;
    ext = Src.substr((Src.length) - 4,Src.length);
    Src = Src.substr(0,(Src.length) - 4);
    //alert(Src + " - " + name);
    document.getElementById(name).src = Src + "_over" + ext;
}
function _out(name)
{
    Src = document.getElementById(name).src;
    ext = Src.substr((Src.length) - 4,Src.length);
    Src = Src.substr(0,(Src.length) - 9);
    document.getElementById(name).src = Src + ext;
}
function _hidshow(name)
{
    var docV = document.getElementById(name).style;
    if(docV.visibility == 'hidden'){
        docV.visibility = 'visible';
    }
    else {
        docV.visibility = 'hidden';
    }
}
function _hid(name,idtag)
{
    var docV = document.getElementById(name).style;
    if(docV.visibility == 'visible'){
        docV.visibility = 'hidden';
        
        Src = document.getElementById(idtag).src;
        ext = Src.substr((Src.length) - 4,Src.length);
        Src = Src.substr(0,(Src.length) - 9);
        document.getElementById(idtag).src = Src + ext;
    }
}

function verf(name,idtag,ql)
{
    if(ql == "out")
    {
        if(document.getElementById(name).style.visibility != 'visible')
        {
            _out(idtag)
        };
    }
    else 
    {
        if(document.getElementById(name).style.visibility != 'visible')
        {
            _over(idtag);
        };
    }
}

function alter(name){
    if(document.getElementById(name).style.visibility == 'visible')
    {
        return false;
    }
    else
    {
        return true;
    }
}


/*
function SimpleSwapSetup(){
  var x = document.getElementsByTagName("img");
  for (var i=0;i<x.length;i++){
    var oversrc = x[i].getAttribute("oversrc");
    if (!oversrc) continue;
    // preload image
    // comment the next two lines to disable image pre-loading
    x[i].oversrc_img = new Image();
    x[i].oversrc_img.src=oversrc;
    // set event handlers
    x[i].onmouseover = new Function("SimpleSwap(this,'oversrc');");
    x[i].onmouseout = new Function("SimpleSwap(this);");
    // save original src
    x[i].setAttribute("origsrc",x[i].src);
  }
}
*/