function checkfields() {

        var strcompanyname;

        var strcontact;

        var straddress;

        var strcity;

        var strstate;

        var strzipcode;

        var strcountry;

        var strphone;

        var strfax;

        var stremail;

        var strwebsite;

        var stryears;

        var strlocations;

        var strapproximatesales;

        var strvalidationpic;

        var error=false;

        var msg="";

        

        strcompanyname=window.document.partner.companyname.value;

        strcontact=window.document.partner.primarycontact.value;

        straddress=window.document.partner.address.value;

        strcity=window.document.partner.city.value;

        strstate=window.document.partner.state.value;

        strzipcode=window.document.partner.zipcode.value;

        strcountry=window.document.partner.country.value;

        strphone=window.document.partner.phone.value;

        strfax=window.document.partner.fax.value;

        stremail=window.document.partner.email.value;

        strwebsite=window.document.partner.website.value;

        stryears=window.document.partner.years.value;

        strlocations=window.document.partner.locations.value;

        strapproximatesales=window.document.partner.approximatesales.value;

        strvalidationpic=window.document.partner.validationpic.value;

        strpicnumber=window.document.partner.picnumber.value;

        

        if (strcompanyname=="") {

                msg="Please provide your company name.\n"

                error=true;

        }

        

        if (strcontact=="") {

                msg = msg +"Please provide us with the primary contact name.\n";

                error=true;

        }

        

        if (straddress=="") {

                        msg = msg +"Please provide us with an address.\n";

                        error=true;

        }

        

        if (strcity=="") {

                        msg = msg +"Please provide us with the city.\n";

                        error=true;

        }

        

        if (strstate=="") {

                        msg = msg +"Please provide us with your state.\n";

                        error=true;

        }

        

        if (strzipcode=="") {

                        msg = msg +"Please provide us with your zipcode.\n";

                        error=true;

        }

        

        if (strcountry=="") {

                        msg = msg +"Please provide us with your country.\n";

                        error=true;

        }

        

        if (strphone=="") {

                        msg = msg +"Please provide us with your phone number.\n";

                        error=true;

        }

        

        if (strfax=="") {

                        msg = msg +"Please provide us with your fax number.\n";

                        error=true;

        }

        

        if (stremail=="") {

                        msg = msg +"Please provide us with your email address.\n";

                        error=true;

        }

        

        else if(!EmailIsValid(stremail)){

                msg = msg + "Please enter in a valid email address.\n";

                error = true;

        }

        

        if (strwebsite=="") {

                        msg = msg +"Please provide us with your website address.\n";

                        error=true;

        }

        

        if (stryears=="") {

                        msg = msg +"Please provide your years in business.\n";

                        error=true;

        }

        

        if (strlocations=="") {

                        msg = msg +"Please provide the number of locations.\n";

                        error=true;

        }

        

        if (strapproximatesales=="") {

                        msg = msg +"Please provide us with an approximate sales amount.\n";

                        error=true;

        }

        

        if(strpicnumber=="1" && strvalidationpic != "pictures") {

          msg = msg +"Please type the correct characters before submitting\n";

          error=true;

        }

        

        if(strpicnumber=="2" && strvalidationpic != "tooth") {

          msg = msg +"Please type the correct characters before submitting\n";

          error=true;

        }

          

        if(strpicnumber=="3" && strvalidationpic != "outlet") {

          msg = msg +"Please type the correct characters before submitting\n";

          error=true;

        }

        

        if(strpicnumber=="4" && strvalidationpic != "gigabyte") {

          msg = msg +"Please type the correct characters before submitting\n";

          error=true;

        }

        

        if(strpicnumber=="5" && strvalidationpic != "story") {

          msg = msg +"Please type the correct characters before submitting\n";

          error=true;

        }

        

        if(strpicnumber=="6" && strvalidationpic != "vendor") {

          msg = msg +"Please type the correct characters before submitting\n";

          error=true;

        }

        

        if(strpicnumber=="7" && strvalidationpic != "change") {

          msg = msg +"Please type the correct characters before submitting\n";

          error=true;

        }

        

        if(strpicnumber=="8" && strvalidationpic != "confidence") {

          msg = msg +"Please type the correct characters before submitting\n";

          error=true;

        }

        

        if(strpicnumber=="9" && strvalidationpic != "newsletter") {

            msg = msg +"Please type the correct characters before submitting\n";

            error=true;

        }

        

        if(strpicnumber=="10" && strvalidationpic != "style") {

            msg = msg +"Please type the correct characters before submitting\n";

            error=true;

        }

        

        if(strpicnumber=="11" && strvalidationpic != "apartment") {

            msg = msg +"Please type the correct characters before submitting\n";

            error=true;

        }

        

        if(strpicnumber=="12" && strvalidationpic != "greeting") {

            msg = msg +"Please type the correct characters before submitting\n";

            error=true;

        }

        

        if(strpicnumber=="13" && strvalidationpic != "ranking") {

            msg = msg +"Please type the correct characters before submitting\n";

            error=true;

        }

        

        if (error==true) {

                        alert(msg);

                        return false;

        }

        return true;

}



function EmailIsValid(checkThisEmail)

{

var myEMailIsValid = true;

var myAtSymbolAt = checkThisEmail.indexOf('@');

var myLastDotAt = checkThisEmail.lastIndexOf('.');

var mySpaceAt = checkThisEmail.indexOf(' ');

var myLength = checkThisEmail.length;





// at least one @ must be present and not before position 2

// @yellow.com : NOT valid

// x@yellow.com : VALID



if (myAtSymbolAt < 1 )

 {myEMailIsValid = false}





// at least one . (dot) afer the @ is required

// x@yellow : NOT valid

// x.y@yellow : NOT valid

// x@yellow.org : VALID



if (myLastDotAt < myAtSymbolAt)

 {myEMailIsValid = false}



// at least two characters [com, uk, fr, ...] must occur after the last . (dot)

// x.y@yellow. : NOT valid

// x.y@yellow.a : NOT valid

// x.y@yellow.ca : VALID



if (myLength - myLastDotAt <= 2)

 {myEMailIsValid = false}





// no empty space " " is permitted (one may trim the email)

// x.y@yell ow.com : NOT valid



if (mySpaceAt != -1)

 {myEMailIsValid = false}



return myEMailIsValid;

}



function displayFormPic() {

  var theTime = new Date();

  var sec = theTime.getSeconds();

  

  var pic = (sec % 13) + 1;

  

  document.write("<img src='Images/" + pic + ".jpg' width='100'><input type='hidden' name='picnumber' id='picnumber' value='" + pic + "'>");

}



function displayProductPic(picName, picNumber, idNumber) {

  //alert ("<img src='Images/" + picName + picNumber + ".jpg'>"); 

  

  document.getElementById(picName + idNumber).innerHTML="<a href='Images/" + picName + picNumber + "bg.jpg' target='_blank'><img src='Images/" + picName + picNumber + ".jpg'></a>";

}