function contact(x) 
{
 flag=true;
 document.getElementById("neerrorcontactform").style.display="none";
 document.getElementById("SPANNumber").className='';
 for(i=0;i<x.elements.length;i++)
 {
  s=new String(x.elements[i].name);
  if(s.substr(0,3)=='REQ' )
   if(trim(x.elements[i].value)=='')
   {
    flag=false;
    document.getElementById("SPAN"+s.substr(3,s.length-1)).className='red';
   } 
   else
    document.getElementById("SPAN"+s.substr(3,s.length-1)).className='';
  if((s=='Number_full' && trim(x.elements[i].value)=='') || (s=='Number_ukraine' && trim(x.elements[i].value)=='') || (s=='Number_far_east'&& trim(x.elements[i].value)==''))
  {
   flag=false;
   document.getElementById("SPANNumber").className='red';
  }
  
 }

 if(flag) document.getElementById("errorcontactform").style.display="none";
 document.getElementById("errorcontactform").style.display="";
 return flag;

}