// JavaScript Document

// EDIT THESE VALUES IF REQUIRED

var alertText = 'Are you sure you wish to perform this action' + "\n"; //DEFAULT TEXT DISPLAYED ON CONFIRM BUTTONS/LINKS WHEN NO ALT/TITLE
var newWindowLink = false; //OPEN EXTERNAL LINKS BY DEFAULT IN A NEW WINDOW (TRUE/FALSE)?


//GLOBALS
/*
*
* LEAVE THESES ALONE
*
*/
//FOR CONFIRM FUNCTION
var confirmed = false;
var elementClass = '';
var titleText = '';

// confirmAction()
/*
* Builds arrays where confirmation can take place
*
* @return bool
*/
function confirmAction() {

	//IS DOM SUPPORTED
	if(!document.getElementsByTagName('a')) return false;

	//GET ELEMENTS ON PAGE TO WORK WITH
	var links   = document.getElementsByTagName('a');
	var buttons = document.getElementsByTagName('input');
	
	//PROCESS ELEMENTS
	loopElements(links);
	loopElements(buttons);
	
	return false;

}

// loopElements()
/*
* Processes passed elements, gets text for confirm box and sends for confirmation
* @return bool @param array of elements
*/
function loopElements(elements) {
	
	for(var i=0; i<elements.length; i++) { //LOOP THROUGH ELEMENTS
	
		elementClass = elements[i].className; //ASSIGN CLASSNAME
		
		if(elementClass != '' && elementClass.indexOf('confirm') > -1) { //DOES CONFIRM CLASSNAME EXIST ON ELEMENT
		
			elements[i].onclick = function() { //ELEMENT CLICKED
			
				titleText = '';
			
				if(this.getAttribute('alt')) {
					
					titleText = this.getAttribute('alt'); //GET TEXT FROM ALT ATTRIBUTE ON BUTTONS
					
				}else if(this.getAttribute('title')) {
					
					titleText = this.getAttribute('title');	//GET TEXT FROM TITLE ON LINKS
					
				}
				
				if(titleText.length > 0) alertText = titleText; //APPLY TEXT TO VARIABLE
				
				confirmed = getConfirmation(alertText); //PASS TEXT TO FUNCTION
				
				return confirmed; //RETURN RESULT
			
			}
		
		}
	
	}
	
}

// getConfirmation()
/*
* Displays confirmation box returns result
* @return bool @param String of text to display
*/
function getConfirmation(text) {

	var result = confirm(text); //SHOW CONFIRMATION BOX

	return result; //RETURN RESULT

}

// externalLinks()
/*
* Allows external links to be opened in a new window without the use of target attribute
* @return bool
*/
function externalLinks() {
	
	//SETS DOMAIN OF SITE
	var domainName=document.domain;
	
	var externalLinks=document.getElementsByTagName("a"); //FIND ALL LINKS ON THE CURRENT PAGE
	
	for(var i=0; i<externalLinks.length; i++) { //LOOP THROUGH LINKS ARRAY
	
		var attribute=externalLinks[i].getAttribute("href"); //GETS CONTENT OF 'HREF' ATTRIBUTE ON CLICKED LINK
		
		var elementClass = externalLinks[i].className; //STORES CLASS NAME OF ELEMENT
		
		var contains_http=attribute.indexOf("http"); //GET VALUE http IN 'HREF' **FOR MOZILLA&&
		
		var contains_domain=attribute.indexOf(domainName); //GET VALUE domainName **FOR IE**
		
		if(newWindowLink == true) {
		
			if(contains_http>-1 && contains_domain==-1) { //DOES CONTAIN AN 'http' OR DOES NOT CONTAIN domainName
			
				setElementAttribute(externalLinks[i], 'target', '_blank');	
				
			}
		
		}
		
		if(elementClass.indexOf('new_window') > -1 ) { //FORCE LINK TO OPEN IN NEW WINDOW
			
			setElementAttribute(externalLinks[i], 'target', '_blank');
			
		}
		
	}
	
}

// setElementAttribute()
/*
* Sets elements attribute
* @return bool; @param element: Element to attach attr to, attr: The attribute to be added, val: value of attribute
*/
function setElementAttribute(element, attr, val) {

	element.setAttribute(attr, val); //SET ATTRIBUTE ON ELEMENT

	return true;

}

function womOn(){
  window.onload = womGo;
}

function womGo(){
  for(var i = 0;i < woms.length;i++)
    eval(woms[i]);
}

function womAdd(func){
  woms[woms.length] = func;
}

var woms = new Array();


function CreateBookmarkLink() {

	title = document.title;
	url = window.location.href;
	
	if (window.sidebar) { 
		window.sidebar.addPanel(title, url,"");
	} else if(window.external) {
		window.external.AddFavorite( url, title); 
	} else if(window.opera && window.print) {
		return true;
	}
	
}

function objToggle(obj) { 

	var obj = document.getElementById(obj);

	if(obj.style.display == "block") { 
		obj.style.display = "none";
	} else { 
		obj.style.display = "block";
	}

}


function validate(formobj, formtype){
		
	switch(formtype) { 
		case "contact":
			var fieldRequired = Array("enq_name", "enq_email", "enq_telephone", "enq_referral", "enq_comments");
			break;
		case "register":
			var fieldRequired = Array("account_username", "account_password", "account_confirm_password", "account_fullname", "account_email", "account_company", "account_outlet");
			break;
		case "checkout":
			var fieldRequired = Array("order_del_name", "order_del_addr1", "order_del_postcode", "order_del_tel", "order_bil_name", "order_bil_addr1", "order_bil_postcode", "order_bil_tel", "order_bil_email");
			break;
	}
	
	var error = false;
	
	var normalClass = "textfield";
	var invalidClass = "textfield_invalid";
	
	for (var i = 0; i < fieldRequired.length; i++){
		var obj = formobj.elements[fieldRequired[i]];
		if(obj) {
			obj.className = normalClass;
		}
	}
	
	for (var i = 0; i < fieldRequired.length; i++){
		var obj = formobj.elements[fieldRequired[i]];
		if (obj){
			switch(obj.type){
				case "select-one":
				if (obj.selectedIndex == 0 || obj.options[obj.selectedIndex].text == ""){
					obj.className = invalidClass;
					error = true;
				}
				break;
				case "select-multiple":
					if (obj.selectedIndex == -1){
					obj.className = invalidClass;
					error = true;
				}
				break;
				case "text":
				case "textarea":
				if (obj.value == "" || obj.value == null){
					obj.className = invalidClass;
					error = true;
				}
				break;
				default:
			}
		}
	}
	
	if (!error){
		
		return true;
		
	} else {
		
		alert("Some fields were not filled in. Please complete the highlighted fields.");
		return false;
		
	}
}



function getSelection(ta)
  { var bits = [ta.value,'','','']; 
    if(document.selection)
      { var vs = '#$%^%$#';
        var tr=document.selection.createRange()
        if(tr.parentElement()!=ta) return null;
        bits[2] = tr.text;
        tr.text = vs;
        fb = ta.value.split(vs);
        tr.moveStart('character',-vs.length);
        tr.text = bits[2];
        bits[1] = fb[0];
        bits[3] = fb[1];
      }
    else
      { if(ta.selectionStart == ta.selectionEnd) return null;
        bits=(new RegExp('([\x00-\xff]{'+ta.selectionStart+'})([\x00-\xff]{'+(ta.selectionEnd - ta.selectionStart)+'})([\x00-\xff]*)')).exec(ta.value);
      }
     return bits;
  }

function matchPTags(str)
  { str = ' ' + str + ' ';
    ot = str.split(/\[[B|U|I].*?\]/i);
    ct = str.split(/\[\/[B|U|I].*?\]/i);
    return ot.length==ct.length;
  }

function addPTag(ta,pTag)
  { bits = getSelection(ta);
    if(bits)
      { if(!matchPTags(bits[2]))
          { alert('\t\tInvalid Selection\nSelection contains unmatched opening or closing tags.');
            return;
          }
        ta.value = bits[1] + '[' + pTag + ']' + bits[2] + '[/' + pTag + ']' + bits[3];
      }
  }