// JavaScript Document

var currTabValue = 1;
var prevTabValue = 1;


function tab_down(divID,divID2) {
	prevTabValue = currTabValue;
	currTabValue = Number(divID.substr(3,1));
//alert ("currTab=" + currTabValue + " ; prevTab=" + prevTabValue);
	document.getElementById(divID).className='home_tab_active';
	document.getElementById(divID2).style.display='block';
}
function tab_up(divID,divID2) {
	document.getElementById(divID).className='home_tab';
	document.getElementById(divID2).style.display='none';
}
function home_init() {
	document.getElementById('tab_content2').style.display='none';
	document.getElementById('tab_content3').style.display='none';
	document.getElementById('tab_content4').style.display='none';
}

//AJ,8/21/08
function tab_right() {
	switch (currTabValue)
	{
		case 1:
			tab_down("tab2", "tab_content2");
			tab_up("tab1", "tab_content1");
			break;
		case 2:
			tab_down("tab3", "tab_content3");
			tab_up("tab2", "tab_content2");
			break;
		case 3:
			tab_down("tab4", "tab_content4");
			tab_up("tab3", "tab_content3");
			break;
		case 4:
			tab_down("tab1", "tab_content1");
			tab_up("tab4", "tab_content4");
			break;
	}
}
function tab_left() {
	switch (currTabValue)
	{
		case 1:
			tab_down("tab4", "tab_content4");
			tab_up("tab1", "tab_content1");
			break;
		case 2:
			tab_down("tab1", "tab_content1");
			tab_up("tab2", "tab_content2");
			break;
		case 3:
			tab_down("tab2", "tab_content2");
			tab_up("tab3", "tab_content3");
			break;
		case 4:
			tab_down("tab3", "tab_content3");
			tab_up("tab4", "tab_content4");
			break;
	}
}