$(document).ready(function(){
	  // Reset Font Size
	  var originalFontSize = $('html').css('font-size');
		$(".resetFont").click(function(){
		$('html').css('font-size', originalFontSize);
	  });
	  // Increase Font Size
	  $(".increaseFont").click(function(){
		var currentFontSize = $('html').css('font-size');
		var currentFontSizeNum = parseFloat(currentFontSize, 10);
		var newFontSize = currentFontSizeNum*1.1;
		$('html').css('font-size', newFontSize);
		return false;
	  });
	  // Decrease Font Size
	  $(".decreaseFont").click(function(){
		var currentFontSize = $('html').css('font-size');
		var currentFontSizeNum = parseFloat(currentFontSize, 10);
		var newFontSize = currentFontSizeNum*0.9;
		$('html').css('font-size', newFontSize);
		return false;
	  });
	  
	
	// appointment
	$(".git-link-2").click(function() { 
		cf_overlay.fadeTo(0,0);
		cf_formcontainer.fadeTo(0,0);

		// hide the success message + show form
		$("#sendsuccess").hide();
		$(".intro").show();
		
		// reset the values because form has been closed and reopened
		$("#frm_name").val("");
		$("#frm_email").val("");
		$("#frm_tel").val("");
		$("#frm_date").val("");
		
		// remove error messages
		$(".error").remove();

		cf_overlay.show();
		cf_overlay.fadeTo(800,0.6);
		cf_formcontainer.show();
		cf_formcontainer.fadeTo(800,1);
		cf_form.show();
		cf_form.fadeTo(800,1);
		
		urchinTracker('/pop-up/book-an-appointment');
	})
	
	cf_overlay.click(function() { 
		cf_formcontainer.fadeTo(600, 0, function() { 
			cf_formcontainer.hide();
		});	
								
		cf_overlay.fadeTo(600, 0, function() { 
			cf_overlay.hide();
		});
	})
	
	cf_close.click(function() { 
		cf_formcontainer.fadeTo(600, 0, function() { 
			cf_formcontainer.hide();
		});	
								
		cf_overlay.fadeTo(600, 0, function() { 
			cf_overlay.hide();
		});
	})
	
	// ask a question
	$(".git-link-3").click(function() { 
		cf_overlay2.fadeTo(0,0);
		cf_formcontainer2.fadeTo(0,0);

		// hide the success message + show form
		$("#sendsuccess").hide();
		$(".intro").show();
		
		// reset the values because form has been closed and reopened
		$("#frm_name").val("");
		$("#frm_email").val("");
		$("#frm_tel").val("");
		$("#frm_question").val("");
		
		// remove error messages
		$(".error").remove();

		cf_overlay2.show();
		cf_overlay2.fadeTo(800,0.6);
		cf_formcontainer2.show();
		cf_formcontainer2.fadeTo(800,1);
		cf_form2.show();
		cf_form2.fadeTo(800,1);
		
		urchinTracker('/pop-up/ask-us-a-question');
	})
	
	cf_overlay2.click(function() { 
		cf_formcontainer2.fadeTo(600, 0, function() { 
			cf_formcontainer2.hide();
		});	
								
		cf_overlay2.fadeTo(600, 0, function() { 
			cf_overlay2.hide();
		});
	})
	
	cf_close2.click(function() { 
		cf_formcontainer2.fadeTo(600, 0, function() { 
			cf_formcontainer2.hide();
		});	
								
		cf_overlay2.fadeTo(600, 0, function() { 
			cf_overlay2.hide();
		});
	})
	
	// subscribe
	$(".git-link-1").click(function() { 
		cf_overlay1.fadeTo(0,0);
		cf_formcontainer1.fadeTo(0,0);

		// hide the success message + show form
		$("#sendsuccess").hide();
		$(".intro").show();
		
		// reset the values because form has been closed and reopened
		$("#frm_email").val("");
		
		// remove error messages
		$(".error").remove();

		cf_overlay1.show();
		cf_overlay1.fadeTo(800,0.6);
		cf_formcontainer1.show();
		cf_formcontainer1.fadeTo(800,1);
		cf_form1.show();
		cf_form1.fadeTo(800,1);
		
		urchinTracker('/pop-up/subscribe');
	})
	
	cf_overlay1.click(function() { 
		cf_formcontainer1.fadeTo(600, 0, function() { 
			cf_formcontainer1.hide();
		});	
								
		cf_overlay1.fadeTo(600, 0, function() { 
			cf_overlay1.hide();
		});
	})
	
	cf_close1.click(function() { 
		cf_formcontainer1.fadeTo(600, 0, function() { 
			cf_formcontainer1.hide();
		});	
								
		cf_overlay1.fadeTo(600, 0, function() { 
			cf_overlay1.hide();
		});
	})
	
	//$(document).ready(function() {
		$('.slideshow').cycle({
			fx: 'fade',
			random: true,
			timeout: 5500,
			speed: 1400
		});
	//});
	
	// bind the escape key to close the contact form
	$("body").bind('keypress', function(e) { 
		var code = (e.keyCode ? e.keyCode : e.which);
		if(code == 27) { //Enter keycode
			cf_close.click();							
			cf_close2.click();							
		}
	});
});

function isEmpty(val) {
	if	(
		val	===	undefined
		||
		val	==	null
		||
		val	==	''
		)
	{
		return true;
	}
}

function checkLinks() {
	var links	=	document.getElementsByTagName('a');
	for(var x=0; x<links.length; x++){
		if	(
			links[x].href.match('http')
			&&
			!links[x].href.match('innovativeeyecare')
			)
		{
			links[x].className	=	isEmpty(links[x].className) ? 'external-link' :	'external-link ' + links[x].className;
			links[x].onclick	=	function()
			{
				return newPage(this);
			};	
		}
	}
}

function checkBrowser() {
	if (BrowserDetect.browser == "Explorer" && BrowserDetect.version == "6") {
		document.write('<div id="browserdetect"><p>You are using an unsupported browser. Please upgrade to one of the following:</p><br /><a href="http://www.microsoft.com/uk/windows/internet-explorer/worldwide-sites.aspx"><img src="/img/ie8-logo.jpg" /></a>&nbsp;<a href="http://www.mozilla-europe.org/en/firefox/"><img src="/img/firefox-logo.jpg" /></a>&nbsp;<a href="http://www.google.com/chrome"><img src="/img/chrome-logo.jpg" /></a>&nbsp;<a href="http://www.apple.com/safari/download/"><img src="/img/safari-logo.jpg" /></a></div>');
	}
}

var BrowserDetect = {
	init: function () {
		this.browser = this.searchString(this.dataBrowser) || "An unknown browser";
		this.version = this.searchVersion(navigator.userAgent)
			|| this.searchVersion(navigator.appVersion)
			|| "an unknown version";
		this.OS = this.searchString(this.dataOS) || "an unknown OS";
	},
	searchString: function (data) {
		for (var i=0;i<data.length;i++)	{
			var dataString = data[i].string;
			var dataProp = data[i].prop;
			this.versionSearchString = data[i].versionSearch || data[i].identity;
			if (dataString) {
				if (dataString.indexOf(data[i].subString) != -1)
					return data[i].identity;
			}
			else if (dataProp)
				return data[i].identity;
		}
	},
	searchVersion: function (dataString) {
		var index = dataString.indexOf(this.versionSearchString);
		if (index == -1) return;
		return parseFloat(dataString.substring(index+this.versionSearchString.length+1));
	},
	dataBrowser: [
		{
			string: navigator.userAgent,
			subString: "Chrome",
			identity: "Chrome"
		},
		{ 	string: navigator.userAgent,
			subString: "OmniWeb",
			versionSearch: "OmniWeb/",
			identity: "OmniWeb"
		},
		{
			string: navigator.vendor,
			subString: "Apple",
			identity: "Safari",
			versionSearch: "Version"
		},
		{
			prop: window.opera,
			identity: "Opera"
		},
		{
			string: navigator.vendor,
			subString: "iCab",
			identity: "iCab"
		},
		{
			string: navigator.vendor,
			subString: "KDE",
			identity: "Konqueror"
		},
		{
			string: navigator.userAgent,
			subString: "Firefox",
			identity: "Firefox"
		},
		{
			string: navigator.vendor,
			subString: "Camino",
			identity: "Camino"
		},
		{		// for newer Netscapes (6+)
			string: navigator.userAgent,
			subString: "Netscape",
			identity: "Netscape"
		},
		{
			string: navigator.userAgent,
			subString: "MSIE",
			identity: "Explorer",
			versionSearch: "MSIE"
		},
		{
			string: navigator.userAgent,
			subString: "Gecko",
			identity: "Mozilla",
			versionSearch: "rv"
		},
		{ 		// for older Netscapes (4-)
			string: navigator.userAgent,
			subString: "Mozilla",
			identity: "Netscape",
			versionSearch: "Mozilla"
		}
	],
	dataOS : [
		{
			string: navigator.platform,
			subString: "Win",
			identity: "Windows"
		},
		{
			string: navigator.platform,
			subString: "Mac",
			identity: "Mac"
		},
		{
			   string: navigator.userAgent,
			   subString: "iPhone",
			   identity: "iPhone/iPod"
	    },
		{
			string: navigator.platform,
			subString: "Linux",
			identity: "Linux"
		}
	]

};
BrowserDetect.init();

function newPage(obj) {
	window.open(obj.href);
	return false;
}
window.onload	=	checkLinks;