function address() {


	if(document.hostreg.mail.value.length == 0) {
		alert("Ââåäèòå, ïîæàëóéñòà, Âàø email.");
		return false;
	}

	
    var filter  = /([a-zA-Z0-9_\.\-])+\@(([a-zA-Z0-9\-])+\.)+([a-zA-Z0-9]{2,4})+(\>)?\s*$/;
    var to = document.hostreg.mail.value;

    // split by comma or semi-colon
    var to_array = to.split(/[;,]/g);

    for(i=0; i<to_array.length; i++){
        if(to_array[i].length == 0) {
            next;
        }
        if(! filter.test(to_array[i])) {
            alert("Ââåäèòå, ïîæàëóéñòà, êîððåêòíûé àäðåñ ýëåêòðîííîé ïî÷òû.");
            return false;
        }
    }


	return true;
}

function address1() {


	if(document.hostreg.name2.value.length == 0) {
		alert("Ââåäèòå, ïîæàëóéñòà, Âàø email.");
		return false;
	}

	
    var filter  = /([a-zA-Z0-9_\.\-])+\@(([a-zA-Z0-9\-])+\.)+([a-zA-Z0-9]{2,4})+(\>)?\s*$/;
    var to = document.hostreg.name2.value;

    // split by comma or semi-colon
    var to_array = to.split(/[;,]/g);

    for(i=0; i<to_array.length; i++){
        if(to_array[i].length == 0) {
            next;
        }
        if(! filter.test(to_array[i])) {
            alert("Ââåäèòå, ïîæàëóéñòà, êîððåêòíûé àäðåñ ýëåêòðîííîé ïî÷òû.");
            return false;
        }
    }


	return true;
}