function popupWindow(url) {

  window.open(url,'popupWindow','toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=yes,resizable=yes,copyhistory=no,width=700,height=600,screenX=150,screenY=150,top=150,left=150')
}

                function login_validate() {

                        if(document.lform.uname.value=="")
                        {
                                window.alert('Enter your username, please!');
                                document.lform.uname.focus();
                                return false;
                        }

                        if(document.lform.pass.value=="")
                        {
                                window.alert('Enter your password, please!');
                                document.lform.pass.focus();
                                return false;
                        }

                }
                function add_category_validate() {

                        if(document.lform.cat_name.value=="")
                        {
                                window.alert('Enter your category, please!');
                                document.lform.cat_name.focus();
                                return false;
                        }

                }
                function add_subcategory_validate() {

                        if(document.lform.subcat_name.value=="")
                        {
                                window.alert('Enter your subcategory, please!');
                                document.lform.subcat_name.focus();
                                return false;
                        }

                }
                function add_type_validate() {

                        if(document.lform.type_name.value=="")
                        {
                                window.alert('Enter your type name, please!');
                                document.lform.type_name.focus();
                                return false;
                        }

                }

                function contact_validate() {

                        if(document.RegForm.username.value=="")
                        {
                                window.alert('Enter your name, please!');
                                document.RegForm.username.focus();
                                return false;
                        }

                        if(document.RegForm.email.value=="")
                        {
                                window.alert('Enter your email, please!');
                                document.RegForm.email.focus();
                                return false;
                        }

                        if(document.RegForm.subject.value=="")
                        {
                                window.alert('Enter your subject, please!');
                                document.RegForm.subject.focus();
                                return false;
                        }


                        if(document.RegForm.body.value=="")
                        {
                                window.alert('Enter your message, please!');
                                document.RegForm.body.focus();
                                return false;
                        }

                        if(/^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$/.test(document.RegForm.email.value))
                        {
                                return true;
                        }

                        alert("Invalid E-mail Address! Please re-enter.");
                        document.RegForm.email.focus();
                        return false;


                }


                function check_add_listings() {

                        if(document.PostForm.category.value=="")
                        {
                                alert('Select the category in which your offer will appear!');
                                document.PostForm.category.focus();
                                return false;
                        }

                        if(document.PostForm.address.value=="")
                        {
                                alert('Enter the property address, please!');
                                document.PostForm.address.focus();
                                return false;
                        }

                        if(document.PostForm.city.value=="")
                        {
                                alert('Enter the property city, please!');
                                document.PostForm.city.focus();
                                return false;
                        }

                        if(document.PostForm.state.value=="")
                        {
                                alert('Enter the property state, please!');
                                document.PostForm.state.focus();
                                return false;
                        }

                        if(document.PostForm.country.value=="")
                        {
                                alert('Enter the property country, please!');
                                document.PostForm.country.focus();
                                return false;
                        }

                        if(document.PostForm.sdesc.value=="")
                        {
                                alert('Enter the property short description, please!');
                                document.PostForm.sdesc.focus();
                                return false;
                        }

                        if(document.PostForm.ldesc.value=="")
                        {
                                alert('Enter the property detailed description, please!');
                                document.PostForm.ldesc.focus();
                                return false;
                        }

                        if(document.PostForm.price.value=="")
                        {
                                alert('Enter the property price, please!');
                                document.PostForm.price.focus();
                                return false;
                        }

                        if(document.PostForm.type.value=="")
                        {
                                alert('Select the property type, please!');
                                document.PostForm.type.focus();
                                return false;
                        }

                        if(document.PostForm.rooms.value=="")
                        {
                                alert('Enter the number of bedrooms, please!');
                                document.PostForm.rooms.focus();
                                return false;
                        }

                        if(document.PostForm.bathrooms.value=="")
                        {
                                alert('Enter the number of bathrooms, please!');
                                document.PostForm.bathrooms.focus();
                                return false;
                        }

                }

function print_this()
       {
           window.print();
       }