function CheckedEmailForm(form){
                var field=document.email.email;
                var goodEmail = field.value.match(/\b(^(\S+@).+((\.com)|(\.net)|(\.edu)|(\.mil)|(\.gov)|(\.org)|(\.ru)|(\..{2,2}))$)\b/gi);
                if (goodEmail){
                        return  true;
                } else {
                           alert('Введен неправильный email адрес.')
                           field.focus()
                           field.select()
                           return  false;
                }
        }
		
function  popUP(url,h,w,resizable,scrollbars){

        if(resizable=='')resizable='no';
        if(scrollbars=='')scrollbars='yes';

        var leftPos = (screen.availWidth-700) / 2
        var topPos = (screen.availHeight-550) / 2
        window.open( url ,'bigImg','width=' + w + ',height=' + h + ',scrollbars='+ scrollbars +',resizable='+ resizable +',titlebar=0,top=' + topPos + ',left=' + leftPos);

}

        function changeVisibility(Obj) {
                if (Obj.className== "none") {
                        Obj.className= "display";
                }
                else {
                        Obj.className= "none";
                }
        }