WzorMaila=/^[0-9a-z.-]+@+[0-9a-z._-]+\.[a-z]{2,4}$/i;

function sprawdz(form)
{
 if (form.name.value=="") {
                          alert("Please specify your name");
                          form.name.focus();
                          return false;
                          }
 if (form.company.value=="") {
                          alert("Please specify a name of company");
                          form.company.focus();
                          return false;
                          }
if (form.telephone.value=="") {
                          alert("Please specify a phone number");
                          form.telephone.focus();
                          return false;
                          }
if (form.fax.value=="") {
                          alert("Please specify a fax number");
                          form.fax.focus();
                          return false;
                          }						  
 if (form.email.value=="") {
                          alert("Please specify an e-mail");
                          form.email.focus();
                          return false;
                          }
if (!WzorMaila.test(form.email.value) || (form.email.value.length<=5)) {
                          alert("Wrong e-mail. Please specify a correct e-mail");
                          form.email.focus();
			  			  return false;  
                          }								  						  
 if (form.opis.value=="") {
                          alert("Please specify your comment");
                          form.opis.focus();
                          return false;
                          }						  
 //alert("Thank you for your feedback");
 return true
 }
 
function sprawdz_tell(form)
{
 if (form.name.value=="") {
                          alert("Please specify your name");
                          form.name.focus();
                          return false;
                          }
 if (form.company.value=="") {
                          alert("Please specify a name of company");
                          form.company.focus();
                          return false;
                          }
if (form.telephone.value=="") {
                          alert("Please specify a phone number");
                          form.telephone.focus();
                          return false;
                          }		  
 if (form.email.value=="") {
                          alert("Please specify an e-mail");
                          form.email.focus();
                          return false;
                          }
if (!WzorMaila.test(form.email.value) || (form.email.value.length<=5)) {
                          alert("Wrong e-mail. Please specify a correct e-mail");
                          form.email.focus();
			  			  return false;  
                          }								  						  					  
 //alert("Thank you for your feedback");
 return true
 }
 
function send(){
 	var a = document.getElementById('sending');
	if (sprawdz(document.form1)==true){ 	
 		if (a!=null){
	 		a.style.display = "block";
	 		document.form1.submit();
	 	}
	}
}
 
function send1(){
 	var a = document.getElementById('sending');
	if (sprawdz_tell(document.form1)==true){ 	
 		if (a!=null){
	 		a.style.display = "block";
	 		document.form1.submit();
	 	}
	}
}