/* 
	opens a print page dialogue box on the client
*/

function printIt(){
	if (window.print) {
		window.print() ;
	} else {
		var WebBrowser = '<OBJECT ID="WebBrowser1" WIDTH=0 HEIGHT=0 CLASSID="CLSID:8856F961-340A-11D0-A96B-00C04FD705A2"></OBJECT>';
	document.body.insertAdjacentHTML('beforeEnd', WebBrowser);
		WebBrowser1.ExecWB(6, 2);//Use a 1 vs. a 2 for a prompting dialog box  WebBrowser1.outerHTML = "";
	}
}


/* 
	provides functionality for the image gallery template
*/

function DOMCall(name) {
	if (document.layers) 
		return document.layers[name];
	else if (document.all)
		return document.all[name];
	else if (document.getElementById)
		return document.getElementById(name);
}

function showPic (whichpic) {
	DOMCall('placeholder').src = whichpic.href;
	if (whichpic.title) {
		DOMCall('imageCaption').innerHTML = whichpic.title;
		DOMCall('imageCaption').className = "";
	} else {
		DOMCall('imageCaption').className = "hidden";
	}
 	return false;
}

//---------------------------------------------------------------
//	Alter form values for focus and blur. v0.01 Kirk Bentley 
//---------------------------------------------------------------
function formLabelFn(){
	var fieldsAr	= new Array();	//<-- Contains valid form field names.
	var fieldsValAr	= new Array();	//<-- Contains form field value.  NOTE: THIS MUST APPEAR EXACTLY AS IT DOES IN THE HTML PAGE.
	
	//-->	Dodgy form detection... be careful.
	fieldsAr	= [document.searchFrm.searchQuery];
	fieldsValAr	= ['Enter search term'];

	focusFn	= function(el){
		if(el.value == el.oVal){
			el.value	= '';
		}
	}
	
	blurFn	= function(el,id,oVal){
		if(el.value == ''){
			el.value	= oVal;
		}
	}

	for(x = 0; x < fieldsAr.length; x++){
		var F	= fieldsAr[x];
		if(F){
			F.myId	= x;
			F.oVal	= fieldsValAr[x];
			
			F.onfocus	= function(){
				focusFn(this);
			}
			
			F.onblur	= function(){
				blurFn(this,this.myId,this.oVal);
			}
		}
	}
}

// ----------------------------------------------
// StyleSwitcher functions
// ----------------------------------------------

function setActiveStyleSheet(title) {
  var i, a, main;
  for(i=0; (a = document.getElementsByTagName("link")[i]); i++) {
    if(a.getAttribute("rel").indexOf("style") != -1 && a.getAttribute("title")) {
      a.disabled = true;
      if(a.getAttribute("title") == title) a.disabled = false;
    }
  }
}

function getActiveStyleSheet() {
  var i, a;
  for(i=0; (a = document.getElementsByTagName("link")[i]); i++) {
    if(a.getAttribute("rel").indexOf("style") != -1 && a.getAttribute("title") && !a.disabled) return a.getAttribute("title");
  }
  return null;
}

function getPreferredStyleSheet() {
  var i, a;
  for(i=0; (a = document.getElementsByTagName("link")[i]); i++) {
    if(a.getAttribute("rel").indexOf("style") != -1
       && a.getAttribute("rel").indexOf("alt") == -1
       && a.getAttribute("title")
       ) return a.getAttribute("title");
  }
  return null;
}

function createCookie(name,value,days) {
  if (days) {
    var date = new Date();
    date.setTime(date.getTime()+(days*24*60*60*1000));
    var expires = "; expires="+date.toGMTString();
  }
  else expires = "";
  document.cookie = name+"="+value+expires+"; path=/";
}

function readCookie(name) {
  var nameEQ = name + "=";
  var ca = document.cookie.split(';');
  for(var i=0;i < ca.length;i++) {
    var c = ca[i];
    while (c.charAt(0)==' ') c = c.substring(1,c.length);
    if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
  }
  return null;
}

window.onload = function(e) {
  var cookie = readCookie("style");
  var title = cookie ? cookie : getPreferredStyleSheet();
  setActiveStyleSheet(title);
}

window.onunload = function(e) {
  var title = getActiveStyleSheet();
  createCookie("style", title, 365);
}

function resizeText(size) {
	setActiveStyleSheet(size);
	location.reload();
}

var cookie = readCookie("style");
var title = cookie ? cookie : getPreferredStyleSheet();
setActiveStyleSheet(title);

window.onload	= function(){
	formLabelFn();
}