ns4 = (document.layers)? true:false
ie4 = (document.all)? true:false
ns6 = (document.getElementById)? true:false

screenWidth = screen.width;
screenHeight = screen.height;

function createCookie(name, value, days)
{
  if (days) {
    var date = new Date();
    date.setTime(date.getTime()+(days*24*60*60*1000));
    var expires = "; expires="+date.toGMTString();
    }
  else var expires = "";
  document.cookie = name+"="+value+expires+"; path=/";
}



var cookieEnabled=(navigator.cookieEnabled)? true : false

//if not IE4+ nor NS6+
if (typeof navigator.cookieEnabled=="undefined" && !cookieEnabled){ 
document.cookie="testcookie"
cookieEnabled=(document.cookie.indexOf("testcookie")!=-1)? true : false
}

if (cookieEnabled)
	{
	if (document.cookie == "seenAlert=Yes")
		{
		}
	else
		{
		if (screenWidth < 1024)
			{
			alertText = "ALERT!\n\nThis site is best viewed with your monitor resolution set to 1024x768 or higher.\n\nYour current resolution is "+screenWidth+"x"+screenHeight+", some parts of the site may not be visible.";
			createCookie('seenAlert','Yes','1000');
			alert(alertText);
			}
		}
	}
else
	{
	}

if (document.images) {

	printable = new Image();
	printableon = new Image();
	printable.src = "images/printable.gif";
	printableon.src = "images/printableon.gif";

	package_off = new Image();
	package_on = new Image();
	test_off = new Image();
	test_on = new Image();
	process_off = new Image();
	process_on = new Image();
	
	package_off.src = "images/package_off.jpg";
	package_on.src = "images/package_on.jpg";
	test_off.src = "images/test_off.jpg";
	test_on.src = "images/test_on.jpg";
	process_off.src = "images/process_off.jpg";
	process_on.src = "images/process_on.jpg";

	nav1_off = new Image();
	nav2_off = new Image();
	nav3_off = new Image();
	nav4_off = new Image();
	nav5_off = new Image();
	nav6_off = new Image();
	nav7_off = new Image();
	nav8_off = new Image();
	
	sub1_1_off = new Image();
	sub1_2_off = new Image();
	sub1_4_off = new Image();
	sub1_5_off = new Image();
	
	sub2_1_off = new Image();
	sub2_2_off = new Image();
	sub2_3_off = new Image();
	sub2_4_off = new Image();
	
	nav1_off.src = "images/nav1_off.gif";
	nav2_off.src = "images/nav2_off.gif";
	nav3_off.src = "images/nav3_off.gif";
	nav4_off.src = "images/nav4_off.gif";
	nav5_off.src = "images/nav5_off.gif";
	nav6_off.src = "images/nav6_off.gif";
	nav7_off.src = "images/nav7_off.gif";
	nav8_off.src = "images/nav8_off.gif";
	
	sub1_1_off.src = "images/sub1_1_off.gif";
	sub1_2_off.src = "images/sub1_2_off.gif";
	sub1_4_off.src = "images/sub1_4_off.gif";
	sub1_5_off.src = "images/sub1_5_off.gif";
	
	sub2_1_off.src = "images/sub2_1_off.gif";
	sub2_2_off.src = "images/sub2_2_off.gif";
	sub2_3_off.src = "images/sub2_3_off.gif";
	sub2_4_off.src = "images/sub2_4_off.gif";
	
	nav1_on = new Image();
	nav2_on = new Image();
	nav3_on = new Image();
	nav4_on = new Image();
	nav5_on = new Image();
	nav6_on = new Image();
	nav7_on = new Image();
	nav8_on = new Image();
	
	sub1_1_on = new Image();
	sub1_2_on = new Image();
	sub1_4_on = new Image();
	sub1_5_on = new Image();
	
	sub2_1_on = new Image();
	sub2_2_on = new Image();
	sub2_3_on = new Image();
	sub2_4_on = new Image();
	
	nav1_on.src = "images/nav1_on.gif";
	nav2_on.src = "images/nav2_on.gif";
	nav3_on.src = "images/nav3_on.gif";
	nav4_on.src = "images/nav4_on.gif";
	nav5_on.src = "images/nav5_on.gif";
	nav6_on.src = "images/nav6_on.gif";
	nav7_on.src = "images/nav7_on.gif";
	nav8_on.src = "images/nav8_on.gif";
	
	sub1_1_on.src = "images/sub1_1_on.gif";
	sub1_2_on.src = "images/sub1_2_on.gif";
	sub1_4_on.src = "images/sub1_4_on.gif";
	sub1_5_on.src = "images/sub1_5_on.gif";
	
	sub2_1_on.src = "images/sub2_1_on.gif";
	sub2_2_on.src = "images/sub2_2_on.gif";
	sub2_3_on.src = "images/sub2_3_on.gif";
	sub2_4_on.src = "images/sub2_4_on.gif";
	
	}



function chgImg(imgField,newImg) {
             if (document.images) {
				document[imgField].src = eval(newImg + ".src")
					}
				}
				

function show(id,layer,imgField,newImg) {
	if (ns4) {
		document.layers[id].visibility = "show";
		eval('document.'+layer+'.document.images["'+imgField+'"].src = '+newImg+'.src');
	}
	else if (ie4) {
		document.all[id].style.visibility = "visible";
		document.images[imgField].src = eval(newImg + ".src");
	} 
	else if (ns6) {
		document.getElementById(id).style.visibility = "visible";
		document.images[imgField].src = eval(newImg + ".src");
	}
}

function hide(id,layer,imgField,newImg) {
	if (ns4) {
		document.layers[id].visibility = "hide";
		eval('document.'+layer+'.document.images["'+imgField+'"].src = '+newImg+'.src');
	}
	else if (ie4) {
		document.all[id].style.visibility = "hidden";
		document.images[imgField].src = eval(newImg + ".src");
	} 
	else if (ns6) {
		document.getElementById(id).style.visibility = "hidden";
		document.images[imgField].src = eval(newImg + ".src");
	}
}



	
function chgImag(layer,imgField,newImg) {
             if (document.layers && layer!=null)
             	eval('document.'+layer+'.document.images["'+imgField+'"].src = '+newImg+'.src');
             	else document.images[imgField].src = eval(newImg+".src");
           }


function featuredProduct() {
	with( document )
	{
	write( '<table border="0" width="148" cellpadding="0" cellspacing="0" align="right">' );
	write( '<tr>' );
	write( '<td width="10"><img src="../images/spacer.gif" border="0" height="10" width="10"></td>' );
	write( '<td width="1" bgcolor="#bfbfbf"><img src="../images/spacer.gif" border="0" height="1" width="1"></td>' );
	write( '<td width="20"><img src="../images/spacer.gif" border="0" height="20" width="20"></td>' );
	write( '<td><img src="../images/'+randomImage()+'" border="0" width="117" height="127"><br><br>'+randomQuote()+'</td>' );
	write( '</tr>' );
	write( '</table>' );
	}
}

function formCheck() 
{
	
	if (document.theform.first.value == "")
	{
	alert("Please include your first name.");
	document.theform.first.focus();
	return false;
	}
	
	if (document.theform.last.value == "")
	{
	alert("Please include your last name.");
	document.theform.last.focus();
	return false;
	}
	
	if (document.theform.company.value == "")
	{
	alert("Please include the name of the company you represent.");
	document.theform.company.focus();
	return false;
	}
	
	if (document.theform.phone.value == "")
	{
	alert("Please include a phone number you can be reached at.");
	document.theform.phone.focus();
	return false;
	}
	
	if (document.theform.email.value.indexOf("@") == -1 ||
		document.theform.email.value == "") 
	{
	alert("Please include a proper email address.");
	document.theform.email.focus();
	return false;
	}
}