var timer1, timer2, timer3;
var pause=7000; 

jQuery.noConflict();
jQuery(function(){
	jQuery('div#tab-main div:not(.default)').hide();
	var jQueryhref;
	jQuery('#tab-nav a').hover(function(){
		jQueryhref = jQuery(this).attr('href');
		jQuery('#tab-main div:visible').hide();
		jQuery(jQueryhref).fadeIn();
		jQuery('#tab-nav a').removeClass('selected');
		jQuery(this).addClass('selected');
	});
	jQuery('#linkmap area').hover(function(){ return false });
});

jQuery(document).ready(function() {
    if (document.getElementById('tab_1') != null) {
        timer1 = setTimeout("change_tab(2)",pause);
        timer2 = setTimeout("change_tab(3)",pause+pause);
        timer3 = setTimeout("change_tab(1)",pause+pause+pause);
    } 

    if (document.getElementById('tab_4') != null) {
        timer1 = setTimeout("change_tab(5)",pause);
        timer2 = setTimeout("change_tab(6)",pause+pause);
        timer3 = setTimeout("change_tab(4)",pause+pause+pause);
    }
});


function stoptimers() {
    clearTimeout(timer1);
    clearTimeout(timer2);
    clearTimeout(timer3);
}


function change_tab(tab_num) {
    hide_tabs();
    document.getElementById('tab_' + tab_num).style.display = "block";
    document.getElementById('tab_button_' + tab_num).className = "tab_on";		
}

function hide_tabs() {
   for (xx=1;xx<7;xx++){
       if (document.getElementById('tab_'+xx) != null) {
           document.getElementById('tab_'+xx).style.display = "none";
       }       
       if (document.getElementById('tab_button_'+xx) != null) {
   	   document.getElementById('tab_button_'+xx).className = "tab_off";
       }    
   }
}