function check_step_one2() { 

    document.form.submit_but.disabled=((document.form.cust_name.value=="") || (document.form.cust_phone.value=="") || (document.form.recv_address.value==" ") || document.form.cust_email.value == "");
return;   
} 

function check_step_one() { 

    document.form.submit_but.disabled=((document.form.cust_name.value=="") || (document.form.cust_phone.value=="") || (document.form.recv_address.value==" ") || document.getElementById('passcheck').innerHTML || document.getElementById('emailcheck').innerHTML);
return;   
} 

function passCheck() {
	if (document.getElementById('pass1').value != document.getElementById('pass2').value) {
		document.getElementById('passcheck').innerHTML = "<span style='color: red; font-weight: bold'>Пароли не совпадают!</span>";
	}
	else {
		document.getElementById('passcheck').innerHTML = "";
		
	}
	
	check_step_one();
}

function emailCheck2() { 
	p_email = document.form.cust_email.value.toString();
	if (p_email != "") {
    	t = p_email.indexOf("@");
    	if((p_email.indexOf(".") == -1) || (t == -1) || (t < 1) || (t > p_email.length - 5) || (p_email.charAt(t - 1) == '.') || (p_email.charAt(t + 1) == '.')) {
        	document.getElementById('emailcheck').innerHTML = "<span style='color: red; font-weight: bold'>Некорректный e-mail!</span>";
    	}
    	else {
    		document.getElementById('emailcheck').innerHTML = "";
    	}
	}
	else {
		document.getElementById('emailcheck').innerHTML = "<span style='color: red; font-weight: bold'>Не указан e-mail!</span>";
	}
	
	check_step_one();
}

function emailCheck() { 
p_email = document.form.cust_email.value.toString();
if (p_email != "") {
    t = p_email.indexOf("@");
    if((p_email.indexOf(".") == -1) || (t == -1) || (t < 1) || (t > p_email.length - 5) || (p_email.charAt(t - 1) == '.') || (p_email.charAt(t + 1) == '.')) {
        alert("Некорректно указан E-mail!");
        document.form.reg_mail.style.background="#ff0000";
        document.form.reg_mail.focus();
        return false;
    }
document.form.reg_mail.style.background="#ffffff";
return true;
} 
}

function getBrowserInfo() {
 var t,v = undefined;
 if (window.opera) t = 'Opera';
 else if (document.all) {
  t = 'IE';
  var nv = navigator.appVersion;
  var s = nv.indexOf('MSIE')+5;
  v = nv.substring(s,s+1);
 }
 else if (navigator.appName) t = 'Netscape';
 return {type:t,version:v};
}