function chk()
 {
   if(document.form.ck.checked)
    {
      document.form.submit.disabled=false;
    }
   else
    {
      document.form.submit.disabled=true;
    }
 }
function CheckReg()
 {
   var i=true;
   d=document.form;
   if(d.name.value   == '') i=false;
   if(d.nick.value   == '') i=false;
   if(d.pass1.value  == '') i=false;
   if(d.pass2.value  == '') i=false;
   if(d.email_f.value  == '') i=false;
   if(d.region.value == 0 ) i=false;
   if
     (
	   d.pass1.value!=d.pass2.value && 
	   d.pass1.value!=''            && 
	   d.pass2.value!=''
	 )
    {
	  i=false;
	  d.pass1.value='';
	  d.pass2.value='';
	  alert('Ââåäåííûå ïàðîëè íå ñîâïàäàþò!');
	}
   if(i==false) d.submit.disabled=true;
   else         d.submit.disabled=false;
 }
function CheckRegPass()
 {
   var i=true;
   d=document.form;
   if(d.name.value   == '') i=false;
   if(d.nick.value   == '') i=false;
   if(d.pass1.value  == '') i=false;
   if(d.pass2.value  == '') i=false;
   if(d.email_f.value  == '') i=false;
   if(d.region.value == 0 ) i=false;
   if(i==false) d.submit.disabled=true;
   else         d.submit.disabled=false;
 }
 function CheckReg2()
 {
   var i=true;
   d=document.form;
   if(d.nick.value   == '')
    {
	  d.submit.disabled=true;
	}
   else         
    { 
	  d.submit.disabled=false;
	}
 }
function KeyCodeCheck()
 {
   if(window.event.keyCode>47 && window.event.keyCode<58) return true; // 0-9
   else
     return false;
 }