function validation(){
            if  ( document.emailForm.first.value == "" ){
                alert( "Please enter your first name." );
                document.emailForm.first.focus()
                return false;
            }
            if  ( document.emailForm.last.value == "" ){
                alert( "Please enter your last name." );
                document.emailForm.last.focus()
                return false;
            }
            
            if (document.emailForm.email_c.value == "" )
              {
                alert("E-mail address is a required field!");
                document.emailForm.email_c.focus()
                return false;
              }
              if (document.emailForm.email_c.value.indexOf("@") == -1 || document.emailForm.email_c.value == "")
              {
                alert("Please insert valid email address");
                document.emailForm.email_c.focus()
                return false;
              }
            
              if (document.emailForm.email_c.value.indexOf(".") == -1 || document.emailForm.email_c.value == "")
              {
                alert("Please insert valid email address");
                document.emailForm.email_c.focus()
                return false;
              }
            
            if  ( document.emailForm.tel.value == "" ){
                alert( "Please insert phone number." );
                document.emailForm.tel.focus()
                return false;
            }
			if(document.emailForm.tel.value.search(/\d{3}\-\d{3}\-\d{4}/)==-1)
			{
				alert("The phone number you entered is not valid.\r\nPlease enter a phone number with the format xxx-xxx-xxxx.");
				document.emailForm.tel.focus()
				return false;
			}	
            if  ( document.emailForm.sc.value == "" ){
                alert( "Please insert Enter nos." );
                document.emailForm.sc.focus()
                return false;
            }
           return true;
        }

        function validationSEO(){
            if  ( document.emailForm.UserName.value == "" ){
                alert( "Please enter your name." );
                document.emailForm.UserName.focus()
                return false;
            }
            
            if (document.emailForm.email_c.value == "" )
              {
                alert("E-mail address is a required field!");
                document.emailForm.email_c.focus()
                return false;
              }
              if (document.emailForm.email_c.value.indexOf("@") == -1 || document.emailForm.email_c.value == "")
              {
                alert("Please insert valid email address");
                document.emailForm.email_c.focus()
                return false;
              }
            
              if (document.emailForm.email_c.value.indexOf(".") == -1 || document.emailForm.email_c.value == "")
              {
                alert("Please insert valid email address");
                document.emailForm.email_c.focus()
                return false;
              }
            
            if  ( document.emailForm.phone.value == "" ){
                alert( "Please insert phone number." );
                document.emailForm.phone.focus()
                return false;
            }
            
            if  ( document.emailForm.sc.value == "" ){
                alert( "Please insert Enter nos." );
                document.emailForm.sc.focus()
                return false;
            }
            
           return true;
        }