var panels = new Array('panel1', 'panel2', 'panel3', 'panel4', 'panel5', 'panel6', 'panel7', 'panel8', 'panel9', 'panel10', 'panel11');
var selectedTab = null;

function showTab(tab, name){
	if (selectedTab) {
    	  selectedTab.style.backgroundColor = '';
        selectedTab.style.paddingTop = '10px';
        selectedTab.style.marginTop = '20px';
    }
    selectedTab = tab;
    selectedTab.style.backgroundColor = 'white';
    selectedTab.style.paddingTop = '10px';
    selectedTab.style.marginTop = '20px';        
    for(i = 0; i < panels.length; i++){
    	document.getElementById(panels[i]).style.display = (name == panels[i]) ? 'block':'none';
    }
    return false;
}