function addLoadEvent(func) {
	var oldonload = window.onload;
	if (typeof window.onload != 'function'){
		window.onload = func
	} else {
		window.onload = function() {
			oldonload();
			func();
		}
	}
}

function Left(str, n){
	if (n <= 0)
		return "";
	else if (n > String(str).length)
		return str;
	else
		return String(str).substring(0,n);
}

function Right(str, n){
	if (n <= 0)
		return "";
	else if (n > String(str).length)
		return str;
	else {
		var iLen = String(str).length;
		return String(str).substring(iLen, iLen - n);
	}
}


function switchStylestyle(styleName) {

	$('link[@rel*=style][@title]').each(function(i) {
		this.disabled = true;
		if (this.getAttribute('title') == styleName) this.disabled = false;
	});
	
	createCookie('style', styleName, 365);
	
	if(styleName == "highvisibility") {
		$("#contactImage").attr({ src: "hl_contact-us-highvis.jpg" });
		$("#wotyImage").attr({ src: "scc-woty-highvis.jpg" });
		$("#directgovImage").attr({ src: "directgov_logo_white-highvis.gif" });
	} else {
		$("#contactImage").attr({ src: "hl_contact-us.jpg" });
		$("#wotyImage").attr({ src: "scc-woty.jpg" });
		$("#directgovImage").attr({ src: "directgov_logo_white.gif" });
	}

}

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 var 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;
}

function eraseCookie(name) {
	createCookie(name,"",-1);
}

$(document).ready(function() {

	$("<li class=\"styles\"><strong>Change Text:</strong></li>").appendTo("#accessOptions")
	$("<li><a href=\"#\" rel=\"default\" class=\"styleswitch\"><img src=\"images/sce/textsize-normal.gif\" alt=\"normal size\" /></a></li><li><a href=\"#\" rel=\"large\" class=\"styleswitch\"><img src=\"images/sce/textsize-large.gif\" alt=\"large size\" /></a></li><li><a href=\"#\" rel=\"extralarge\" class=\"styleswitch\"><img src=\"images/sce/textsize-extralarge.gif\" alt=\"extra large size\" /></a></li><li><a href=\"#\" rel=\"highvisibility\" class=\"styleswitch\"><img src=\"images/sce/textsize-highvisibility.gif\" alt=\"high visibility size and colour\" /></a></li>").appendTo("#accessOptions")
	$("<li><a href=\"/text-resize.aspx\" class=\"small\">What is this?</a></li>").appendTo("#accessOptions")
	$("#accessOptions li.changetext").hide()

	var c = readCookie('style');
	if (c) switchStylestyle(c);

	function filterPath(string) {
		return string
		.replace(/^\//,'')
		.replace(/(index|default).[a-zA-Z]{3,4}$/,'')
		.replace(/\/$/,'');
	}
  
	$('a[href*=#]').each(function() {
		
		if ( ( filterPath(this.pathname)!='az.htm' ) && ( filterPath(location.pathname) == filterPath(this.pathname) && location.hostname == this.hostname && this.hash.replace(/#/,'') ) ) {
			var $targetId = $(this.hash), $targetAnchor = $('[name=' + this.hash.slice(1) +']');
			var $target = $targetId.length ? $targetId : $targetAnchor.length ? $targetAnchor : false;
			if ($target) {
				var targetOffset = $target.offset().top;
				$(this).click(function() {
					$('html, body').animate({scrollTop: targetOffset}, 400);
					return false;
				});
			}
		}
	});
	
	$("#qt").val("Search for...");

	$("#qt").click(function(){
		if($("#qt").val()=="Search for..."){
			$("#qt").val("");
		}
	});

	$("#qt").focus(function(){
		if($("#qt").val()=="Search for..."){
			$("#qt").val("");
		}
	});

	$("#qt").blur(function(){
		if($("#qt").val()==""){
			$("#qt").val("Search for...");
		}
	});
	
	$("#Criteria-hm").val("Park Street");
	$("#Criteria-hm").css({ color: "#777" });

	$("#yoursalford-search").click(function(){
		if($("#Criteria-hm").val()=="Park Street"){
			$("#Criteria-hm").val("");
			if(c == "highvisibility") {
				$("#Criteria-hm").css({ color: "#fff" });
			}else{
				$("#Criteria-hm").css({ color: "#000" });
			}
		}
	});

	$("#Criteria-hm").focus(function(){
		if($("#Criteria-hm").val()=="Park Street"){
			$("#Criteria-hm").val("");
			if(c == "highvisibility") {
				$("#Criteria-hm").css({ color: "#fff" });
			}else{
				$("#Criteria-hm").css({ color: "#000" });
			}
		}
	});

	$("#Criteria-hm").blur(function(){
		if($("#Criteria-hm").val()==""){
			$("#Criteria-hm").val("Park Street");
			$("#Criteria-hm").css({ color: "#777" });
		}
	});

	$(".expand").click(function(){
		$("p.informationlink").hide();
		$(".information").fadeIn("normal");
		return false;
	});
	
	$(".closer").click(function(){
		$(".information").fadeOut("normal",function(){
			$("p.informationlink").show();
		});
		return false;
	});

	$(".map-expand").click(function(){
		$("p.map-informationlink").hide();
		$(".map-information").fadeIn("normal");
		return false;
	});
	
	$(".map-closer").click(function(){
		$(".map-information").fadeOut("normal",function(){
			$("p.map-informationlink").show();
		});
		return false;
	});
	
	$('.styleswitch').click(function(){
		switchStylestyle(this.getAttribute("rel"));
		return false;
	});

});

addLoadEvent(prepareLinks);