function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}
function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

function hide(d) {
if(d.length < 1) { return; }
document.getElementById(d).style.display = "none";
}

function show(d) {
if(d.length < 1) { return; }
document.getElementById(d).style.display = "block";
}

function showhide(d) {
if(d.length < 1) { return; }
if(document.getElementById(d).style.display == "none") { document.getElementById(d).style.display = "block"; }
else { document.getElementById(d).style.display = "none"; }
}

function clearBox()
{
	document.getElementById("postalzip").value = "";
}

function check_form_techsupport()
{
        valid = true;
		
		var lastname = document.techsupport.lastname.value;
		var firstname = document.techsupport.firstname.value;
		var city = document.techsupport.city.value;
		var stateprov = document.techsupport.stateprov.value;
		var country = document.techsupport.country.value;
		var phone = document.techsupport.phone.value;
		var model_serial = document.techsupport.model_serial.value;
		var dealername = document.techsupport.dealername.value;
		var question = document.techsupport.question.value;
		var email = document.techsupport.email.value;
		var AtPos = email.indexOf("@");
		var StopPos = email.lastIndexOf(".");
		var zippostalcode = document.techsupport.zippostalcode.value;

		if (firstname == "")
        {
                alert ( "Please enter your first name..." );
                valid = false;
        }
		
		else if (lastname == "")
        {
                alert ( "Please enter your last name..." );
                valid = false;
        }
		
		else if (city == "")
        {
                alert ( "Please enter your city..." );
                valid = false;
        }
		
		else if (stateprov == "")
        {
                alert ( "Please enter your state or province..." );
                valid = false;
        }
		
		else if (zippostalcode == "")
        {
                alert ( "Please enter your zip or postal code..." );
                valid = false;
        }

		else if (country == "")
        {
                alert ( "Please enter your country..." );
                valid = false;
        }
		
		else if (phone == "")
        {
                alert ( "Please enter your phone number..." );
                valid = false;
        }
		
		else if (model_serial == "")
        {
                alert ( "Please enter the model and serial number of your product..." );
                valid = false;
        }
		
		else if (dealername == "")
        {
                alert ( "Please enter the name and phone number of your dealer.." );
                valid = false;
        }
		
		else if (question == "")
        {
                alert ( "Please enter your question or inquiry.." );
                valid = false;
        }
		
		else if (email == "")
        {
                alert ( "Please enter your email address..." );
                valid = false;
        }

		else if (AtPos == -1 || StopPos == -1) {
                alert ( "Please enter a valid email address..." );
				valid = false;
		}

		else if (StopPos < AtPos) {
                alert ( "Please enter a valid email address..." );
				valid = false;
		}

		else if (StopPos - AtPos == 1) {
                alert ( "Please enter a valid email address..." );
				valid = false;
		}
						
        return valid;
}

function check_form_sales()
{
        valid = true;
		
		var lastname = document.sales.lastname.value;
		var firstname = document.sales.firstname.value;
		var city = document.sales.city.value;
		var stateprov = document.sales.stateprov.value;
		var country = document.sales.country.value;
		var phone = document.sales.phone.value;
		var question = document.sales.question.value;
		var email = document.sales.email.value;
		var AtPos = email.indexOf("@");
		var StopPos = email.lastIndexOf(".");
		var zippostalcode = document.sales.zippostalcode.value;
		
		if (firstname == "")
        {
                alert ( "Please enter your first name..." );
                valid = false;
        }
		
		else if (lastname == "")
        {
                alert ( "Please enter your last name..." );
                valid = false;
        }
		
		else if (city == "")
        {
                alert ( "Please enter your city..." );
                valid = false;
        }
		
		else if (zippostalcode == "")
        {
                alert ( "Please enter your zip or postal code..." );
                valid = false;
        }
		
		else if (stateprov == "")
        {
                alert ( "Please enter your state or province..." );
                valid = false;
        }
		
		else if (country == "")
        {
                alert ( "Please enter your country..." );
                valid = false;
        }
		
		else if (phone == "")
        {
                alert ( "Please enter your phone number..." );
                valid = false;
        }
		
		else if (question == "")
        {
                alert ( "Please enter your question or inquiry.." );
                valid = false;
        }
		
		else if (email == "")
        {
                alert ( "Please enter your email address..." );
                valid = false;
        }

		else if (AtPos == -1 || StopPos == -1) {
                alert ( "Please enter a valid email address..." );
				valid = false;
		}

		else if (StopPos < AtPos) {
                alert ( "Please enter a valid email address..." );
				valid = false;
		}

		else if (StopPos - AtPos == 1) {
                alert ( "Please enter a valid email address..." );
				valid = false;
		}
						
        return valid;
}

function check_form_inbox()
{
        valid = true;
		
		var name = document.inbox.name.value;
		var company = document.inbox.companyname.value;
		var city = document.inbox.city.value;
		var stateprov = document.inbox.stateprov.value;
		var question = document.inbox.question.value;
		var email = document.inbox.email.value;
		var AtPos = email.indexOf("@");
		var StopPos = email.lastIndexOf(".");
		
		if (name == "")
        {
                alert ( "Please enter your name..." );
                valid = false;
        }
		
		else if (company == "")
        {
                alert ( "Please enter your company name..." );
                valid = false;
        }
		
		else if (city == "")
        {
                alert ( "Please enter your city..." );
                valid = false;
        }
		
		else if (stateprov == "")
        {
                alert ( "Please enter your state or province..." );
                valid = false;
        }
		
		else if (question == "")
        {
                alert ( "Please enter your question or inquiry.." );
                valid = false;
        }
		
		else if (email == "")
        {
                alert ( "Please enter your email address..." );
                valid = false;
        }

		else if (AtPos == -1 || StopPos == -1) {
                alert ( "Please enter a valid email address..." );
				valid = false;
		}

		else if (StopPos < AtPos) {
                alert ( "Please enter a valid email address..." );
				valid = false;
		}

		else if (StopPos - AtPos == 1) {
                alert ( "Please enter a valid email address..." );
				valid = false;
		}
						
        return valid;
}