function getQueryVariable(variable) {
    var query = window.location.search.substring(1);
    var vars = query.split("&");
    for (var i=0;i<vars.length;i++) {
    	var pair = vars[i].split("=");
    	if (pair[0] == variable) {
    	  return pair[1];
		}
    }
}

function showTab(showT) {
	for (i=0; i < toggleTabs.length; i++) {
		toggleTabs[i].setStyle('display','none');
	}
	toggleTabs[showT].setStyle('display','block');
}

window.addEvent('domready', function() {

	toggleTabs = $$(".toggleTab");
	
	if (toggleTabs!='') {
		var defaultTab =getQueryVariable("show"); 
		if (defaultTab) {
			showTab(defaultTab);
		} else {
		showTab(0);
		} 
	}
	
});