function disableEnterKey(e)
{
     var key;      
     if(window.event)
          key = window.event.keyCode; //IE
     else
          key = e.which; //firefox      

     return (key != 13);
}

function checkForm()
{
   var cname, cprovince, num;
   with(window.document.form1)
   {
      cname    = SearchString;
      cprovince   = province;
   }

   if(trim(cname.value) =='')
   {
      alert('Please enter business name');
      cname.focus();
      return false;
   }
   
   else if(trim(cprovince.value) == '')
   {
      alert('Please select province');
      cprovince.focus();
      return false;
   }
      
   else
   {
      cname.value    = trim(cname.value);
      cprovince.value   = trim(cprovince.value);
	  if(lengthRestriction(cname, 3, 30)){
      return true;
	  }else{
		return false;
	  }
   }
}

function trim(str)
{
   return str.replace(/^\s+|\s+$/g,'');
}

function lengthRestriction(elem, min, max){
	var cname = elem.value;
	if(cname.length >= min && cname.length <= max){
		return true;
	}else{
		alert("Please enter Business Name between " +min+ " and " +max+ " characters");
		elem.focus();
		return false;
	}
}