var layerArray = new Array;
layerArray[0] = "tools";
layerArray[1] = "resources";
layerArray[2] = "request";
layerArray[3] = "request2";

function showHideLayers(whichLayer) {
	document.getElementById(whichLayer).style.visibility = "visible";
	for (var i=0; i<layerArray.length; i++) {
		if (layerArray[i] != whichLayer) {
			document.getElementById(layerArray[i]).style.visibility = "hidden";
		}
	}
}

function hideAllLayers() {
	for (var i=0; i<layerArray.length; i++) {
		document.getElementById(layerArray[i]).style.visibility = "hidden";
	}
}

function hoverCell(whichCell,mouseEvent) {
	if (mouseEvent == "over") {
		document.getElementById(whichCell).bgColor = "#dcc155";
	} else {
		document.getElementById(whichCell).bgColor = "";
	}
}

function swapImage(whichImage,toWhat) {
	whichImage.src = toWhat;
}

function CheckFields(myForm)
{
      var FieldsOK = true;
      var numOfElements = myForm.elements.length;
      for(var i=0; i<numOfElements; i++)
      {
            if(myForm.elements[i].getAttribute("required")=="required")
            {
                  if(myForm.elements[i].value=="")
                  {
                        FieldsOK = false;
                        alert(myForm.elements[i].getAttribute("alertname")+" is a required field.");
                        myForm.elements[i].focus();
                        return FieldsOK;
                  }
            }
	    if(myForm.elements[i].type=="textarea" && myForm.elements[i].value != "")
	    {
	    	  myForm.elements[i].value = myForm.elements[i].value.split('\r\n').join('<br>');
	    }
	
      }
          
      return FieldsOK;
}