//preload images
if(document.images)
{
    Home_Tab_down = new Image(); Home_Tab_down.src="../Images/Tabs/1.png";
    Home_Tab_up = new Image(); Home_Tab_up.src="../Images/Tabs/01.png";
    
    Property_Tab_down = new Image(); Property_Tab_down.src="../Images/Tabs/2.png";
    Property_Tab_up = new Image(); Property_Tab_up.src="../Images/Tabs/02.png";
    
    Team_Tab_down = new Image(); Team_Tab_down.src="../Images/Tabs/3.png";
    Team_Tab_up = new Image(); Team_Tab_up.src="../Images/Tabs/03.png";
    
    Services_Tab_down = new Image(); Services_Tab_down.src="../Images/Tabs/4.png";
    Services_Tab_up = new Image(); Services_Tab_up.src="../Images/Tabs/04.png";
    
    About_Tab_down = new Image(); About_Tab_down.src="../Images/Tabs/5.png";
    About_Tab_up = new Image(); About_Tab_up.src="../Images/Tabs/05.png";
    
    Contact_Tab_down = new Image(); Contact_Tab_down.src="../Images/Tabs/6.png";
    Contact_Tab_up = new Image(); Contact_Tab_up.src="../Images/Tabs/06.png";
    
    News_Tab_down = new Image(); News_Tab_down.src="../Images/Tabs/7.png";
    News_Tab_up = new Image(); News_Tab_up.src="../Images/Tabs/07.png";
    
    Media_Tab_down = new Image(); Media_Tab_down.src="../Images/Tabs/8.png";
    Media_Tab_up = new Image(); Media_Tab_up.src="../Images/Tabs/08.png";
    
    Links_Tab_down = new Image(); Links_Tab_down.src="../Images/Tabs/9.png";
    Links_Tab_up = new Image(); Links_Tab_up.src="../Images/Tabs/09.png";
    
    Testimonials_Tab_down = new Image(); Testimonials_Tab_down.src="../Images/Tabs/10.png";
    Testimonials_Tab_up = new Image(); Testimonials_Tab_up.src="../Images/Tabs/010.png";
}

//event handlers
function pressButton(btName) 
{
    if (document.images)
    {
        eval('document.'+btName+'.src='+btName+'_down.src');
    }
}
function releaseButton(btName) 
{
    if (document.images)
    {
        eval('document.'+btName+'.src='+btName+'_up.src');
    }
}