function swapover(n) {

	if (document.images) {
		document.images['nav' + n].src = eval("navon" + n + ".src");
		}
	}

function swapout(n) {

	if (document.images) {
		document.images['nav' + n].src = eval("nav" + n + ".src");
		}
	}


if (document.images) {

	nav1 = new Image(51,18);
	nav1.src = "pics/nav/nav1.gif";
	navon1 = new Image(51,18);
	navon1.src = "pics/nav/navon1.gif";
	
	nav2 = new Image(72,18);
	nav2.src = "pics/nav/nav2.gif";
	navon2 = new Image(72,18);
	navon2.src = "pics/nav/navon2.gif";
	
	nav3 = new Image(122,18);
	nav3.src = "pics/nav/nav3.gif";
	navon3 = new Image(122,18);
	navon3.src = "pics/nav/navon3.gif";
	
	nav4 = new Image(180,18);
	nav4.src = "pics/nav/nav4.gif";
	navon4 = new Image(180,18);
	navon4.src = "pics/nav/navon4.gif";
	
	nav5 = new Image(46,18);
	nav5.src = "pics/nav/nav5.gif";
	navon5 = new Image(46,18);
	navon5.src = "pics/nav/navon5.gif";
	
	nav6 = new Image(76,18);
	nav6.src = "pics/nav/nav6.gif";
	navon6 = new Image(76,18);
	navon6.src = "pics/nav/navon6.gif";
	
	nav7 = new Image(126,23);
	nav7.src = "pics/nav/nav7.gif";
	navon7 = new Image(126,23);
	navon7.src = "pics/nav/navon7.gif";
	
	nav8 = new Image(130,23);
	nav8.src = "pics/nav/nav8.gif";
	navon8 = new Image(130,23);
	navon8.src = "pics/nav/navon8.gif";
	
	nav9 = new Image(164,23);
	nav9.src = "pics/nav/nav9.gif";
	navon9 = new Image(164,23);
	navon9.src = "pics/nav/navon9.gif";
	
	nav10 = new Image(119,23);
	nav10.src = "pics/nav/nav10.gif";
	navon10 = new Image(119,23);
	navon10.src = "pics/nav/navon10.gif";
	
	nav11 = new Image(124,27);
	nav11.src = "pics/nav/nav11.gif";
	navon11 = new Image(124,27);
	navon11.src = "pics/nav/navon11.gif";
	
	nav12 = new Image(124,27);
	nav12.src = "pics/nav/nav12.gif";
	navon12 = new Image(124,27);
	navon12.src = "pics/nav/navon12.gif";
	
	nav13 = new Image(124,28);
	nav13.src = "pics/nav/nav13.gif";
	navon13 = new Image(124,28);
	navon13.src = "pics/nav/navon13.gif";
	
	nav14 = new Image(96,49);
	nav14.src = "pics/newsletter/newsletter_icon.gif";
	navon14 = new Image(96,49);
	navon14.src = "pics/newsletter/newsletter_icon_on.gif";
	
	nav15 = new Image(96,49);
	nav15.src = "pics/resource_center/resource_icon.gif";
	navon15 = new Image(96,49);
	navon15.src = "pics/resource_center/resource_icon_on.gif";
	
	nav111 = new Image(124,27);
	nav111.src = "pics/nav/nav111.gif";
	navon111 = new Image(124,27);
	navon111.src = "pics/nav/navon111.gif";
	
	nav122 = new Image(124,27);
	nav122.src = "pics/nav/nav122.gif";
	navon122 = new Image(124,27);
	navon122.src = "pics/nav/navon122.gif";
	
	nav133 = new Image(124,28);
	nav133.src = "pics/nav/nav133.gif";
	navon133 = new Image(124,28);
	navon133.src = "pics/nav/navon133.gif";
	
	nav66 = new Image(96,49);
	nav66.src = "pics/nav/nav14.gif";
	navon66 = new Image(96,49);
	navon66.src = "pics/nav/navon14.gif";
	
}

function open_window1(url, width, height) {
	mywin1 = window.open(url,"win1",'alwaysRaised=1,toolbar=0,location=0,directories=0,status=1,menubar=0,scrollbars=1,resizable=1,width=' + width + ',height=' + height);
	mywin1.resizeTo(width, height);
	mywin1.focus();
}

function in_array(needle, haystack) {
	for(var j = 0; j < haystack.length; j++) {
		if(needle == haystack[j]) {
			return true;
		}
	}
	return false;
}

function check_required_new(form, fields) {
	//alert(fields.length);
	
	for(var i = 0; i < form.elements.length; i++) {
		if(in_array(form.elements[i].name, fields)) {
			//alert(form.elements[i].type);
			if(form.elements[i].type == "text" || form.elements[i].type == "password") {
				if(form.elements[i].value == "") {
					alert(form.elements[i].name + " is a required field");
					form.elements[i].focus();
					return false;
				}
			} else if(form.elements[i].type == "select-one") {
				//alert(fields[i].name + " is a pull-down");
				if(form.elements[i].selectedIndex == 0) {
					alert(form.elements[i].name + " is a required field");
					form.elements[i].focus();
					return false;
				}
			} else if(form.elements[i].type == 'radio') {
				var radio = form.elements[i].name;
				//alert(form[radio].length);
				for(var j = 0; j < form[radio].length; j++) {
					if(form[radio][j].checked == true) {
						var checked = true;
					}
				}
				
				if(checked != true) {
					alert(form.elements[i].name + " is a required field");
					form.elements[i].focus();
					return false;
				}
			} else if(form.elements[i].type == 'textarea') {
				if(form.elements[i].value == "") {
					alert(form.elements[i].name + " is a required field");
					form.elements[i].focus();
					return false;
				}
			}
		}
	}
	return true;
}
	

	


function switchDiv(hideDiv, showDiv, formValue) {
	//SET DIV DISPLAYS
	document.getElementById(hideDiv).style.display = 'none';
	document.getElementById(showDiv).style.display = 'block';
	
	//CHANGE FORM FIELD VALUE
	document.docOrderForm.docOrderType.value = formValue;
	
}