browserName = navigator.appName;
browserVer = parseInt(navigator.appVersion);

if (browserName == "Netscape" && browserVer >= 3) version = "yes";
        else {if (browserName == "Microsoft Internet Explorer" && browserVer >= 3) version = "yes";
                  else version = "no";}
        if (version == "yes") 
        {

          overview = new Image();
          overview.src = "images/leftmenu/company.gif";
          overviewa = new Image();
          overviewa.src = "images/leftmenu/company1.gif";

          services = new Image();
          services.src = "images/leftmenu/services.gif";
          servicesa = new Image();
          servicesa.src = "images/leftmenu/services1.gif";

          portfolio = new Image();        
          portfolio.src = "images/leftmenu/portfolio.gif";
          portfolioa = new Image();
          portfolioa.src = "images/leftmenu/portfolio1.gif";

          contact = new Image();
          contact.src = "images/leftmenu/contact.gif";
          contacta = new Image();
          contacta.src = "images/leftmenu/contact1.gif";

          request = new Image();
          request.src = "images/leftmenu/request.gif";
          requesta = new Image();
          requesta.src = "images/leftmenu/request1.gif";

          web_dev = new Image();
          web_dev.src = "images/leftmenu/web_dev.gif";
          web_deva = new Image();
          web_deva.src = "images/leftmenu/web_dev1.gif";

          design = new Image();        
          design.src = "images/leftmenu/design.gif";
          designa = new Image();
          designa.src = "images/leftmenu/design1.gif";

          logos = new Image();
          logos.src = "images/leftmenu/logos.gif";
          logosa = new Image();
          logosa.src = "images/leftmenu/logos1.gif";

          gr_design = new Image();
          gr_design.src = "images/leftmenu/gr_design.gif";
          gr_designa = new Image();
          gr_designa.src = "images/leftmenu/gr_design1.gif";

          identity = new Image();
          identity.src = "images/leftmenu/identity.gif";
          identitya = new Image();
          identitya.src = "images/leftmenu/identity1.gif";

        }

  function displayOver(objectName) 
  {
    if (version == "yes") 
    {
      imgOn = eval(objectName + "a.src");
      document [objectName].src = imgOn;
    }
  }

  function displayOut(objectName) 
  {
    if (version == "yes") 
    {
      imgOff = eval(objectName + ".src");
      document [objectName].src = imgOff;
    }
  }


function checkContactUs() {

  if (!document.contactForm.get_first_name.value) {
      alert("Please fill 'First Name' field!");
      document.contactForm.get_first_name.focus();
      return false;
  } 

 if (!document.contactForm.get_last_name.value) {
      alert("Please fill 'Last Name' field!");
      document.contactForm.get_last_name.focus();
      return false;
  
  }

 if (!document.contactForm.get_email.value) {
      alert("Please fill 'Email' field!");
      document.contactForm.get_email.focus();
      return false;
  
  }

 if (document.contactForm.get_email.value) {

    adresse = document.contactForm.get_email.value;
    var place = adresse.indexOf("@",1);
    var point = adresse.indexOf(".",place+1);

    if ((place > -1)&&(adresse.length >2)&&(point > 1))
    {  
    
    }
      else
    {
       alert('Please use valid email address');
       document.contactForm.get_email.focus();
       return false;
    }                  
    
 }
 
 
 if (!document.contactForm.get_message.value) {
      alert("Please enter message text!");
      document.contactForm.get_message.focus();
      return false;
  
  }

 return true;

}

function checkRequest() {

  if (!document.requestForm.get_first_name.value) {
      alert("Please fill 'First Name' field!");
      document.requestForm.get_first_name.focus();
      return false;
  } 

 if (!document.requestForm.get_last_name.value) {
      alert("Please fill 'Last Name' field!");
      document.requestForm.get_last_name.focus();
      return false;
  
  }


 if (!document.requestForm.get_email.value) {
      alert("Please fill 'Email' field!");
      document.requestForm.get_email.focus();
      return false;
  
  }

 if (document.requestForm.get_email.value) {

    adresse = document.requestForm.get_email.value;
    var place = adresse.indexOf("@",1);
    var point = adresse.indexOf(".",place+1);

    if ((place > -1)&&(adresse.length >2)&&(point > 1))
    {  
    
    }
      else
    {
       alert('Please use valid email address');
       document.requestForm.get_email.focus();
       return false;
    }                  
    
 }

 return true;


}
function confirm_del() {
  var reply = confirm("This will permanantly delete this record! All emails will be deleted as well. You can't restore the emails in future.");

  if(reply) {
     return true;
   } else {
     return false;
   }
}

function doPreview(param1, param2)
{

  if (dom) {
    var src = document.getElementById(param1).value;
  } else if (ie) {
    var src = document.all[param1].value;
  }

  if (src.charAt(1)==":") src = "file:/" + src;

  if (dom) {
    document.getElementById(param2).src=src;
  } else if (ie) {
    document.all[param2].src = src;
  }

}