function clear_string(field)
{
field.value="";

}


function validate(field,field2,msg,min,max) 

{

	if (!min) { min = 1 }
	if (!max) { max = 65535 }

	if (!field.value || field.value.length < min || field.value.max > max) 
	{
		field.style.backgroundColor="ffAAAA";
		alert(msg);
		field.focus();
		field.select();
field2.value="submit";
field2.disabled=false;
		return false;
	}
field.style.backgroundColor="FFFFFF";
	return true;
}




function validateconfirm(field3,field,field2,msg,min,max) 

{


	if (!min) { min = 1 }
	if (!max) { max = 65535 }

	if (!field.value || field.value.length < min || field.value.max > max) 
	{
		field.style.backgroundColor="ffAAAA";
		alert(msg);
		field.focus();
		field.select();
field2.value="submit";
field2.disabled=false;
		return false;
	}
field.style.backgroundColor="FFFFFF";
	return true;
}





function disablebutton(opt)
{
opt.disabled=true;
opt.value="Wait..";
return true;
}



function lockfield(evt)
{  
    evt = (evt) ? evt : ((window.event) ? window.event : null)
    if (evt) {
      var elem = (evt.target) ? evet.target : ((evt.srcElement) ? evt.srcElement : null)
      if (elem) {
        elem.blur()
      }
    }
window.alert("This field is completed automatically and cannot be changed.");
}