<!--

function trim(s) 
{
	while (s.substring(0,1) == ' ') {
		s = s.substring(1,s.length);
	}
	while (s.substring(s.length-1,s.length) == ' ') {
		s = s.substring(0,s.length-1);
	}
	while (s.substring(0,1) == '%') {
		s = s.substring(1,s.length);
	}
	while (s.substring(s.length-1,s.length) == '%') {
		s = s.substring(0,s.length-1);
	}
		
	while (s.substring(0,1) == '_') {
		s = s.substring(1,s.length);
	}
	while (s.substring(s.length-1,s.length) == '_') {
		s = s.substring(0,s.length-1);
	}
			
	return s;
}


function setfocus(elementname) {
	if(document.forms[0].elements[elementname])
		document.forms[0].elements[elementname].focus();
}

function NMgetElementById(id)
{
    var elem;
  if( document.getElementById ) // this is the way the standards work
  {
	elem = document.getElementById( id );
  }
  else if( document.all ) // this is the way old msie versions work
  {
	elem = document.all[id];
	
  }
  else if( document.layers ) // this is the way nn4 works
  {
	elem = document.layers[id];
  }
  
  return elem;
}

            				    
function checkInput(mycontrol, DefaultTextControlID)
{
    //checks if input is different from default text, if not it clears the text
    
    var defaultTextControl = NMgetElementById(DefaultTextControlID);
    
    if(mycontrol.value == defaultTextControl.value)
    {
        
        mycontrol.value = "";
    }
}

function checkEnter(e,myrun){ //e is event object passed from function invocation
    var characterCode; //literal character code will be stored in this variable

    if(e && e.which){ //if which property of event object is supported (NN4)
        e = e;
        characterCode = e.which; //character code is contained in NN4's which property
    }
    else
    {
        e = event;
        characterCode = e.keyCode ;//character code is contained in IE's keyCode property
    }

    if(characterCode == 13)
    { //if generated character code is equal to ascii 13 (if enter key)
        eval(myrun);
    	
    }
    else
    {
        return false;
    }

}


//-->
