function checkformconpany (form)
{

 if (form.name.value == "") {
    alert( "Please enter Conpany name !" );
    form.name.focus();
    return false ;
  }
  

if (form.country.value == "Select one") {
    alert( "Please select Country !" );
    form.country.focus();
    return false ;
  }

  if (form.address.value == "") {
    alert( "Please enter Address !" );
    form.address.focus();
    return false ;
  }

  if (form.place.value == "") {
    alert( "Please enter Place !" );
    form.place.focus();
    return false ;
  }
  
  if (form.zip.value == "") {
    alert( "Please enter Zip code !" );
    form.zip.focus();
    return false ;
  }
  
    if (form.tel.value == "") {
    alert( "Please enter Tel !" );
    form.tel.focus();
    return false ;
  }
  
  if (form.email.value == "") {
    alert( "Please enter E-mail !" );
    form.email.focus();
    return false ;
  }

  if (form.email.value != "") {
	var x = form.email.value;
	var filter  = /^([a-zA-Z0-9_\.\-])+\@(([a-zA-Z0-9\-])+\.)+([a-zA-Z0-9]{2,4})+$/;
	if (!filter.test(x))
	{ alert("Please enter correct Email Address!");
    form.email.focus();
    return false ;
	}
  }
   if (form.web.value == "") {
    alert( "Please enter WEB !" );
    form.web.focus();
    return false ;
  }
  
  if (form.person.value == "") {
    alert( "Please enter Contact person !" );
    form.person.focus();
    return false ;
  }
  
  if (form.tel_person.value == "") {
    alert( "Please enter Tel contact person !" );
    form.tel_person.focus();
    return false ;
  }
  
  if (form.username.value == "") {
    alert( "Please enter Username !" );
    form.username.focus();
    return false ;
  }
  
  if (form.pass.value == "") {
    alert( "Please enter Password !" );
    form.pass.focus();
    return false ;
  }
  
  if (form.pass.value == "") {
    alert( "Please enter Password !" );
    form.pass.focus();
    return false ;
  }
  
  if (document.getElementById('agree').checked == false) {
    alert( "Please agree to Terms and condition of Stock and Store!" );
    return false ;
   }
  

  return true ;
}


function checkformproduct (form)
{

if (form.category.value == "Select one") {
    alert( "Please select Category !" );
    form.category.focus();
    return false ;
  }

  if (form.name.value == "") {
    alert( "Please enter Name !" );
    form.name.focus();
    return false ;
  }
  
  if (form.product_id.value == "") {
    alert( "Please enter Product No Id !" );
    form.product_id.focus();
    return false ;
  }
  
  if (form.price.value == "") {
    alert( "Please enter Price !" );
    form.price.focus();
    return false ;
  }
  
  
   if (form.valuta.value == "Select one") {
    alert( "Please select Currency !" );
    form.valuta.focus();
    return false ;
  }
  
    if (form.per_piese.value == "") {
    alert( "Please enter Per piece !" );
    form.per_piese.focus();
    return false ;
  }
  
  
  if (form.packing.value == "") {
    alert( "Please enter Packing !" );
    form.packing.focus();
    return false ;
  }
  
  if (form.colliper.value == "") {
    alert( "Please enter No Colli Per Pallet !" );
    form.colliper.focus();
    return false ;
  }
  
    if (form.pallet_type.value == "") {
    alert( "Please enter Pallet Type !" );
    form.pallet_type.focus();
    return false ;
  }
  
  if (form.input_flightdeparture1.value == "") {
    alert( "Please enter Expiry Date !" );
    form.input_flightdeparture1.focus();
    return false ;
  }
  
  if (form.brand.value == "") {
    alert( "Please enter Brand !" );
    form.brand.focus();
    return false ;
  }
 
   if (form.numberofavailable.value == "") {
    alert( "Please enter No of cartons available !" );
    form.numberofavailable.focus();
    return false ;
  }
  
    if (form.uploadedfile1.value == "") {
    alert( "Please browse 1 st image !" );
    form.uploadedfile1.focus();
    return false ;
  }
  
  if (form.uploadedfile1.value != "") {
	  var path = form.uploadedfile1.value;
	  var imgRe = /^.+\.(jpg|jpeg|gif|png)$/i;

    if (path.search(imgRe) == -1)
    {
      alert("1 st image JPG, PNG, and GIFs format only!");
	   return false ;
     }

  }
  
    if (form.uploadedfile2.value != "") {
	  var path = form.uploadedfile2.value;
	  var imgRe = /^.+\.(jpg|jpeg|gif|png)$/i;

    if (path.search(imgRe) == -1)
    {
      alert("2 nd image JPG, PNG, and GIFs format only!");
	   return false ;
     }

  }
  
   if (form.uploadedfile3.value != "") {
	  var path = form.uploadedfile3.value;
	  var imgRe = /^.+\.(jpg|jpeg|gif|png)$/i;

    if (path.search(imgRe) == -1)
    {
      alert("3 rd image JPG, PNG, and GIFs format only!");
	   return false ;
     }

  }
  
  
   if (form.country.value == "Select one") {
    alert( "Please select Country !" );
    form.country.focus();
    return false ;
  }
  
    if (form.address.value == "") {
    alert( "Please enter address !" );
    form.address.focus();
    return false ;
  }
  
   if (form.place.value == "") {
    alert( "Please enter Place !" );
    form.place.focus();
    return false ;
  }
  
   if (form.zipcode.value == "") {
    alert( "Please enter Zip Code !" );
    form.zipcode.focus();
    return false ;
  }
  

  return true ;
}


function checkformproduct1 (form)
{
if (form.category.value == "Select one") {
    alert( "Please select Category !" );
    form.category.focus();
    return false ;
  }

  if (form.name.value == "") {
    alert( "Please enter Name !" );
    form.name.focus();
    return false ;
  }
  
  if (form.product_id.value == "") {
    alert( "Please enter Product No Id !" );
    form.product_id.focus();
    return false ;
  }
  
  if (form.price.value == "") {
    alert( "Please enter Price !" );
    form.price.focus();
    return false ;
  }
  
  
   if (form.valuta.value == "Select one") {
    alert( "Please select Currency !" );
    form.valuta.focus();
    return false ;
  }
  
    if (form.per_piese.value == "") {
    alert( "Please enter Per piece !" );
    form.per_piese.focus();
    return false ;
  }
  
  
  if (form.packing.value == "") {
    alert( "Please enter Packing !" );
    form.packing.focus();
    return false ;
  }
  
  if (form.colliper.value == "") {
    alert( "Please enter No Colli Per Pallet !" );
    form.colliper.focus();
    return false ;
  }
  
    if (form.pallet_type.value == "") {
    alert( "Please enter Pallet Type !" );
    form.pallet_type.focus();
    return false ;
  }
  
  if (form.input_flightdeparture1.value == "") {
    alert( "Please enter Expiry Date !" );
    form.input_flightdeparture1.focus();
    return false ;
  }
  
  if (form.brand.value == "") {
    alert( "Please enter Brand !" );
    form.brand.focus();
    return false ;
  }
 
   if (form.numberofavailable.value == "") {
    alert( "Please enter No of cartons available !" );
    form.numberofavailable.focus();
    return false ;
  }
  
  
  if (form.uploadedfile1.value != "") {
	  var path = form.uploadedfile1.value;
	  var imgRe = /^.+\.(jpg|jpeg|gif|png)$/i;

    if (path.search(imgRe) == -1)
    {
      alert("1 st image JPG, PNG, and GIFs format only!");
	   return false ;
     }

  }
  
    if (form.uploadedfile2.value != "") {
	  var path = form.uploadedfile2.value;
	  var imgRe = /^.+\.(jpg|jpeg|gif|png)$/i;

    if (path.search(imgRe) == -1)
    {
      alert("2 nd image JPG, PNG, and GIFs format only!");
	   return false ;
     }

  }
  
   if (form.uploadedfile3.value != "") {
	  var path = form.uploadedfile3.value;
	  var imgRe = /^.+\.(jpg|jpeg|gif|png)$/i;

    if (path.search(imgRe) == -1)
    {
      alert("3 rd image JPG, PNG, and GIFs format only!");
	   return false ;
     }

  }
  
  
   if (form.country.value == "Select one") {
    alert( "Please select Country !" );
    form.country.focus();
    return false ;
  }
  
    if (form.address.value == "") {
    alert( "Please enter address !" );
    form.address.focus();
    return false ;
  }
  
   if (form.place.value == "") {
    alert( "Please enter Place !" );
    form.place.focus();
    return false ;
  }
  
   if (form.zipcode.value == "") {
    alert( "Please enter Zip Code !" );
    form.zipcode.focus();
    return false ;
  }
  

  return true ;
}




function checkimageformat()
{

var path = document.form.uploadedfile1.value;

var imgRe = /^.+\.(jpg|jpeg|gif|png)$/i;

if (path.search(imgRe) == -1)
 {
  alert("JPG, PNG, and GIFs only!");
 }
 
}

<!--checkUsernameAvailability
//provera username i passworda
      var XMLHttpRequestObject2 = false; 	
      var loadstatustext="<img src='images/loading.gif' /> loading..."	
	  
	      if (window.XMLHttpRequest) {
               XMLHttpRequestObject2 = new XMLHttpRequest();		
      } else if (window.ActiveXObject) {
               XMLHttpRequestObject2 = new ActiveXObject("Microsoft.XMLHTTP");		
      }
	  
      function checkUsernameAvailability(dataSource, divID, type, id) 
      { 
	      var Username = document.forms[0].username.value;
		  var Pass = document.forms[0].pass.value;
          var dataSource1 = dataSource+'?Username='+Username+'&Pass='+Pass+'&Type='+type+'&Id='+id;
		
        if(XMLHttpRequestObject2) {
          var obj = document.getElementById(divID); 
          XMLHttpRequestObject2.open("GET", dataSource1); 
          document.getElementById(divID).innerHTML=loadstatustext
          XMLHttpRequestObject2.onreadystatechange = function() 
          { 
            if (XMLHttpRequestObject2.readyState == 4 && 
              XMLHttpRequestObject2.status == 200) { 
                obj.innerHTML = XMLHttpRequestObject2.responseText; 
            } 
          } 

          XMLHttpRequestObject2.send(null); 
        }
      }
	  
	   function checkUsernameAvailability1(dataSource, divID, type, id) 
      { 
	      var Username = document.forms[2].username.value;
		  var Pass = document.forms[2].pass.value;
          var dataSource1 = dataSource+'?Username='+Username+'&Pass='+Pass+'&Type='+type+'&Id='+id;
		
        if(XMLHttpRequestObject2) {
          var obj = document.getElementById(divID); 
          XMLHttpRequestObject2.open("GET", dataSource1); 
          document.getElementById(divID).innerHTML=loadstatustext
          XMLHttpRequestObject2.onreadystatechange = function() 
          { 
            if (XMLHttpRequestObject2.readyState == 4 && 
              XMLHttpRequestObject2.status == 200) { 
                obj.innerHTML = XMLHttpRequestObject2.responseText; 
            } 
          } 

          XMLHttpRequestObject2.send(null); 
        }
      }


function checkform ( form )
{

  if (form.first_name.value == "") {
    alert( "Please enter Your first name !" );
    form.first_name.focus();
    return false ;
  }

    if (form.email.value == "") {
    alert( "Please enter E-mail !" );
    form.email.focus();
    return false ;
  }
  
  
  if (form.email.value != "") {
    var x = document.forms[2].email.value;
	var filter  = /^([a-zA-Z0-9_\.\-])+\@(([a-zA-Z0-9\-])+\.)+([a-zA-Z0-9]{2,4})+$/;
	if (!filter.test(x))
	{ alert("Please enter correct E-Mail !");
    form.email.focus();
    return false ;
	}
  }
  
    if (form.message.value == "") {
    alert( "Please enter Message !" );
    form.message.focus();
    return false ;
    }
  return true ;
}


function limitText(limitField, limitCount, limitNum) {/* ogranicava upis u text polju na odredjeni broj karaktera*/
	if (limitField.value.length > limitNum) {
		limitField.value = limitField.value.substring(0, limitNum);
	} else {
		limitCount.value = limitNum - limitField.value.length;
	}
}

//-->