/* mouseover */

var ImageNames=new Array(
        'home',
        'portfolio',
        'referenzen',
        'agentur',
        'kontakt'
        );

var Images=new Array(new Array(ImageNames.length), new Array(ImageNames.length));
var ImagePath='/_images/navi/';

for(var x=0; x<ImageNames.length; x++)
        {
        Images[0][x]=new Image();
        Images[0][x].src=ImagePath+ImageNames[x]+'.gif';
        Images[1][x]=new Image();
        Images[1][x].src=ImagePath+'_'+ImageNames[x]+'.gif';
        }


function SetImage(Maj,Min)
{
document.images[ImageNames[Min]].src=Images[Maj][Min].src;
}

function MOvr(Index)
{
SetImage(1,Index);
}

function MOut(Index)
{
SetImage(0,Index);
}


// Tabs

var TabNames=new Array('tab0','tab1','tab2','tab3','tab4');
var ContentNames=new Array('content0','content1','content2','content3','content4');
var Status=new Array(TabNames.length);

for(var x=0; x<TabNames.length; x++) {
        if(x==0) {
                Status[x]=0;
        } else {
                Status[x]=-1;
        }
}

function hideActive() {
        for(var x=0; x<TabNames.length; x++) {
                if(Status[x]==0) {
                        document.getElementById(ContentNames[x]).style.display='none';
                        document.getElementById(TabNames[x]).className='inactive';
                        Status[x]--;
                }
        }
}

function showContent(index) {
        if(Status[index]<0) {
                hideActive();
                document.getElementById(ContentNames[index]).style.display='block';
                document.getElementById(TabNames[index]).className='active';
                Status[index]++;
        }
}