//  BUTTON ROLLOVER SCRIPT

window.onload=function(){

	rolloverInit();
	formDefaultValues();

}

function rolloverInit() {
	for (var i=0; i<document.images.length; i++) {
		if (document.images[i].parentNode.tagName == "A") {
			setupRollover(document.images[i]);
		}
	}
}

function setupRollover(thisImage) {
	thisImage.outImage = new Image();
	thisImage.outImage.src = thisImage.src;
	thisImage.onmouseout = rollOut;

	thisImage.overImage = new Image();
	thisImage.overImage.src = "images/" + thisImage.id + "_over.png";
	thisImage.onmouseover = rollOver;

	thisImage.clickImage = new Image();
	thisImage.clickImage.src = "images/" + thisImage.id + "_down.png";
	thisImage.onmousedown = rollClick;	
}

function rollOut() {
	this.src = this.outImage.src;
}

function rollOver() {
	this.src = this.overImage.src;
}

function rollClick() {
	this.src = this.clickImage.src;
}



//  SEARCH FORM INPUT BOX - HIDE DEFAULT VALUE SCRIPT


/**
* Written by Rob Schmitt, The Web Developer's Blog
* http://webdeveloper.beforeseven.com/
*/

/**
* The following variables may be adjusted
*/
var active_color = '#000'; // Colour of user provided text
var inactive_color = '#ccc'; // Colour of default text

/**
* No need to modify anything below this line
*/

function formDefaultValues() {
  var fields = getElementsByClassName(document, "input", "default-value");
  if (!fields) {
    return;
  }
  var default_values = new Array();
  for (var m = 0; m < fields.length; m++) {
    fields[m].style.color = inactive_color;
    if (!default_values[fields[m].id]) {
      default_values[fields[m].id] = fields[m].value;
    }
    fields[m].onfocus = function() {
      if (this.value == default_values[this.id]) {
        this.value = '';
        this.style.color = active_color;
      }
      this.onblur = function() {
        if (this.value == '') {
          this.style.color = inactive_color;
          this.value = default_values[this.id];	
        }
      }
    }
  }
}

/**
* getElementsByClassName()
* Written by Jonathan Snook, http://www.snook.ca/jonathan
* Add-ons by Robert Nyman, http://www.robertnyman.com
*/

function getElementsByClassName(oElm, strTagName, strClassName){
  var arrElements = (strTagName == "*" && oElm.all)? oElm.all : oElm.getElementsByTagName(strTagName);
  var arrReturnElements = new Array();
  strClassName = strClassName.replace(/\-/g, "\\-");
  var oRegExp = new RegExp("(^|\\s)" + strClassName + "(\\s|$)");
  var oElement;
  for (var m = 0; m < arrElements.length; m++) {
    oElement = arrElements[m];
    if (oRegExp.test(oElement.className)) {
      arrReturnElements.push(oElement);
    }
  }
  return (arrReturnElements);
}