function set_blank(field){
	if (field.value == window.def_inventory_val) field.value='';
}

function set_default(field){
	if (isWhitespace(field.value)) field.value=window.def_inventory_val;
}

function goButton(whereToGo){
	location = (whereToGo);
}

function displayStatus(msgStr) { //v1.0
  window.status=msgStr;
  document.MM_returnValue = true;
}

function MM_goToURL() { //v3.0
  var i, args=MM_goToURL.arguments; document.MM_returnValue = false;
  for (i=0; i<(args.length-1); i+=2) eval(args[i]+".location='"+args[i+1]+"'");
}

function MM_openBrWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}



var visBox = false;
var overInfo = false;
var overBox = false;
var delayAction = false;
var delayLength = 200;

function info_over(layerID) { DF_showLayer(layerID) }
function info_out() { overInfo=false; DF_delayHideLayer(); }
function box_over() { overBox=true; clearTimeout(delayAction); }
function box_out() { overBox=false; DF_delayHideLayer(); }

function DF_showLayer(layerID) { 
  clearTimeout(delayAction);
  if (visBox != layerID) {
 	DF_hideLayer();
	with (document) if (getElementById && ((obj=getElementById(layerID))!=null)) {
		if (obj.style) { obj=obj.style; }
		obj.visibility='visible';
		visBox = layerID;
	}
  }
  overInfo=true;
}
function DF_delayHideLayer() { 
	  delayAction=setTimeout("DF_hideLayer()",delayLength);
}
function DF_hideLayer() {
	if (visBox && !overBox && !overInfo) {
	  with (document) if (getElementById && ((obj=getElementById(visBox))!=null)) {
		if (obj.style) { obj=obj.style; }
	  }
	  obj.visibility='hidden'; 
	  visBox = false;
	}
}