var ids = new Array();
var sliders = new Array();

function switchid(id){	
    hideallids();
    showdiv(id);
}

function hideallids(){
    for (var i=0;i<ids.length;i++){
        hidediv(ids[i]);
    }		  
}

function hidediv(id) {
    $(id).slide('hide');
}

function showdiv(id) {	  
    $(id).slide('in');
}

window.addEvent('domready', function() {
    switchid('Introduction');
 });