function clearText(thefield) {
  if (thefield.defaultValue == thefield.value)
	 thefield.value = "";
}

function resetText(thefield) {
  if (thefield.value == "")
	 thefield.value = thefield.defaultValue;
} 

function submitloginform(thisform)
{
  if(thisform.username.value==thisform.username.defaultValue){
	alert("Please input a username!");
	
  }

  else{
	  thisform.submit();
  }
}


function submitsearchform(thisform)
{
  if(thisform.keyword.value==thisform.keyword.defaultValue){
	alert("Please input a keyword to search for!");
	
  }
  else{
	  thisform.submit();
  }
}

function dss_addLoadEvent(fn) {
  if(typeof(fn)!="function")return;
  var tempFunc=window.onload;
  window.onload=function() {
    if(typeof(tempFunc)=="function")tempFunc();
    fn();
  }
}


function changeInputType(
  oldElm, iType, iValue, blankValue, noFocus) {
  if(!oldElm || !oldElm.parentNode || (iType.length<4) || 
    !document.getElementById || !document.createElement) return;
  var newElm = document.createElement('input');
  newElm.type = iType;
  if(oldElm.name) newElm.name = oldElm.name;
  if(oldElm.id) newElm.id = oldElm.id;
  if(oldElm.className) newElm.className = oldElm.className;
  if(oldElm.size) newElm.size = oldElm.size;
  if(oldElm.tabIndex) newElm.tabIndex = oldElm.tabIndex;
  if(oldElm.accessKey) newElm.accessKey = oldElm.accessKey;
  newElm.onfocus = function(){return function(){
    if(this.hasFocus) return;
    var newElm = changeInputType(this,'Password',iValue,
      (this.value.toLowerCase()==iValue.toLowerCase())?true:false);
    if(newElm) newElm.hasFocus=true;
  }}();
  newElm.onblur = function(){return function(){
    if(this.hasFocus)
    if(this.value=='' || (this.value.toLowerCase()==iValue.toLowerCase())) {
      changeInputType(this,'text',iValue,false,true);
    }
  }}();
 // hasFocus is to prevent a loop where onfocus is triggered over and over again
  newElm.hasFocus=false;
  oldElm.parentNode.replaceChild(newElm,oldElm);
  if(!blankValue) newElm.value = iValue;
  if(!noFocus || typeof(noFocus)=='undefined') {
    window.tempElm = newElm;
    setTimeout("tempElm.hasFocus=true;tempElm.focus();",1);
  }
  return newElm;
}

// Example 2 (JS part 2)
dss_addLoadEvent(function(){

  var ua = navigator.userAgent.toLowerCase();
  if(!((ua.indexOf('konqueror')!=-1) && (document.all || 
    (ua.indexOf('khtml/3.4')!=-1))) && !(((ua.indexOf('safari')!=-1) && 
    !window.print) || (document.defaultCharset && !window.print))) {

      // Set the third value to the text you want to appear in the field.
      changeInputType(document.forms[0].Password,'text',' Password',false,true);
  }
});