function disp_alert_testimonial(){
        var hibaszoveg='The following fields have errors:\n';
        var valid=true;         
                                            
        if(document.testimonials.writtenby.value == "") 
        {
            hibaszoveg=hibaszoveg+'Name cannot be empty!\n';
            valid=false;
        }

        if(document.testimonials.note.value == "" )
        {
            hibaszoveg=hibaszoveg+'Feedback cannot be empty!\n';
            valid=false;
        } 
        
        if( !valid) {
            alert(hibaszoveg);             
        }
                         
        
        return valid;
}
function disp_alert_contact() {
    
        var hibaszoveg='The following fields have errors:\n';
        var valid=true;                      
        var emailID=document.cont.email;             
                     
                      
        if(document.cont.name.value == "") 
        {
            hibaszoveg=hibaszoveg+'Name cannot be empty!\n';
            valid=false;
        }

        if(document.cont.email.value == "" )
        {
            hibaszoveg=hibaszoveg+'Email cannot be empty!\n';
            valid=false;
        }
                         
        if(document.cont.content.value == "")
        {
            hibaszoveg=hibaszoveg+'Message cannot be empty!\n';
            valid=false;
        }
                         
        
        if(document.cont.email.value !="") {  
            var reg = /^[0-9a-z\.-]+@([0-9a-z-]+\.)+[a-z]{2,4}$/i; 
            var s = document.cont.email.value; 
            if(reg.test(s)==false){
                hibaszoveg=hibaszoveg+'Invalid email address!\n';
                valid=false;
            }
        }
        
        if( !valid) {
            alert(hibaszoveg);              
        }
                         
        if(document.cont.phone.value != "")
        {
            valid=ValidateForm();
                              
        }       
        return valid;
    }
    
    
    function echeck(str) {

        var at="@";
        var dot=".";
        var lat=str.indexOf(at);
        var lstr=str.length;
        var ldot=str.indexOf(dot);
                        
        if(document.cont.email.value != "") {
            
            var reg = /^[0-9a-z\.-]+@([0-9a-z-]+\.)+[a-z]{2,4}$/i; 
            var s = document.cont.email.value; 
            if(reg.test(s)==false){
    //            alert("Invalid E-mail address!");
                return false;
             }


            return true;					 
        } 
        return true;
    }

    /**
     * DHTML phone number validation script. Courtesy of SmartWebby.com (http://www.smartwebby.com/dhtml/)
     */

    // Declaring required variables
    var digits = "0123456789";
    // non-digit characters which are allowed in phone numbers
    var phoneNumberDelimiters = "()- ";
    // characters which are allowed in international phone numbers
    // (a leading + is OK)
    var validWorldPhoneChars = phoneNumberDelimiters + "+";
    // Minimum no of digits in an international phone no.
    var minDigitsInIPhoneNumber = 10;


    function isInteger(s)
    {   var i;
        for (i = 0; i < s.length; i++)
        {   
            // Check that current character is number.
            var c = s.charAt(i);
            if (((c < "0") || (c > "9"))) return false;
        }
        // All characters are numbers.
        return true;
    }

    function stripCharsInBag(s, bag)
    {   var i;
        var returnString = "";
        // Search through string's characters one by one.
        // If character is not in bag, append to returnString.
        for (i = 0; i < s.length; i++)
        {   
            // Check that current character isn't whitespace.
            var c = s.charAt(i);
            if (bag.indexOf(c) == -1) returnString += c;
        }
        return returnString;
    }

    function checkInternationalPhone(strPhone){
        s=stripCharsInBag(strPhone,validWorldPhoneChars);
        return (isInteger(s) && s.length >= minDigitsInIPhoneNumber);
    }

    function ValidateForm(){
        /*var Phone=document.cont.phone;
        
        if ((Phone.value==null)||(Phone.value=="")){
            alert("Please Enter your Phone Number")
            Phone.focus()
            return false;
        }
        if (checkInternationalPhone(Phone.value)==false){
            alert("Please Enter a Valid Phone Number")
            Phone.value=""
            Phone.focus()
            return false;
        }*/
        return true;
    }