//<![CDATA[

// Preload the on states of the tabs for quicker response
hubtab1 = new Image();
hubtab1.src = "resman/uploads/hubtab1_on.png";
hubtab2 = new Image();
hubtab2.src = "resman/uploads/hubtab2_on.png";
hubtab3 = new Image();
hubtab3.src = "resman/uploads/hubtab3_on.png";
hubtab4 = new Image();
hubtab4.src = "resman/uploads/hubtab4_on.png";
hubtab5 = new Image();
hubtab5.src = "resman/uploads/hubtab5_on.png";


// Function which actually swaps tabs
function changeTopMenu (tabname) {
document.getElementById('tab1').style.display = 'none';
document.getElementById('tab2').style.display = 'none';
document.getElementById('tab3').style.display = 'none';
document.getElementById('tab4').style.display = 'none';
document.getElementById('tab5').style.display = 'none';

document.getElementById(tabname).style.display = 'block';
document.getElementById('hubtab1').src = 'resman/uploads/hubtab1_off.png';
document.getElementById('hubtab2').src = 'resman/uploads/hubtab2_off.png';
document.getElementById('hubtab3').src = 'resman/uploads/hubtab3_off.png';
document.getElementById('hubtab4').src = 'resman/uploads/hubtab4_off.png';
document.getElementById('hubtab5').src = 'resman/uploads/hubtab5_off.png';
document.getElementById('hub'+tabname).src = 'resman/uploads/hub'+tabname+'_on.png';
}
//]]>