// -----------------------------------------------------------------------------------
//
//	ageCheck v0.01

// -----------------------------------------------------------------------------------

//
//  Configurationl
//
ageCheckOptions = Object.extend({
    overlayOpacity: 0.8,
    animate: true,
    denyUrl: 'http://www.madeta.cz/cs/produkty-a-sluzby/nase-produkty?c=394&p=16135',
    bindYes: 'ageCheckYes',
    bindNo: 'ageCheckNo'
}, window.ageCheck || {});

// -----------------------------------------------------------------------------------

var ageCheck = Class.create();

ageCheck.prototype = {
    
    // initialize()
    //
    initialize: function() {
    	
    	//alert("Asd");
    	
    	var objBody = $$('body')[0];
		objBody.appendChild(Builder.node('div',{id:'ageCheckOverlay'}));

    	this.overlayDuration = ageCheckOptions.animate ? 0.2 : 0;  // shadow fade in/out duration
    	
        // stretch overlay to fill page and fade in
        var arrayPageSize = this.getPageSize();
        $('ageCheckOverlay').setStyle({ width: arrayPageSize[0] + 'px', height: arrayPageSize[1] + 'px' });
        $('ageCheckOverlay').setOpacity(ageCheckOptions.overlayOpacity);
        
        //alert($('ageCheckLayerContainer'));
        
        $(ageCheckOptions.bindYes).observe('click', (function() { this.accessed()}).bind(this));
        $(ageCheckOptions.bindNo).observe('click', (function() { this.denied()}).bind(this));

        //new Effect.Appear(this.overlay, { duration: this.overlayDuration, from: 0.0, to: ageCheckOptions.overlayOpacity });
        
    },

    //
    //  accessed()
    //
    accessed: function() {
    	this.setCookie('pardalAgeCheck', true, 1);
        $('ageCheckOverlay').hide();
        $('ageCheckLayerContainer').hide();
    },
    
    //
    //  denied()
    //
    denied: function() {
        window.location=ageCheckOptions.denyUrl;
    },
    
    //
    //  setCookie()
    //
    setCookie: function(c_name,value,expiredays) {
		var exdate=new Date();
		exdate.setDate(exdate.getDate()+expiredays);
		document.cookie=c_name+ "=" +escape(value)+
		((expiredays==null) ? "" : ";path=/;expires="+exdate.toGMTString());
	},

    //
    //  getPageSize()
    //
    getPageSize: function() {
	        
	     var xScroll, yScroll;
		
		if (window.innerHeight && window.scrollMaxY) {	
			xScroll = window.innerWidth + window.scrollMaxX;
			yScroll = window.innerHeight + window.scrollMaxY;
		} else if (document.body.scrollHeight > document.body.offsetHeight){ // all but Explorer Mac
			xScroll = document.body.scrollWidth;
			yScroll = document.body.scrollHeight;
		} else { // Explorer Mac...would also work in Explorer 6 Strict, Mozilla and Safari
			xScroll = document.body.offsetWidth;
			yScroll = document.body.offsetHeight;
		}
		
		var windowWidth, windowHeight;
		
		if (self.innerHeight) {	// all except Explorer
			if(document.documentElement.clientWidth){
				windowWidth = document.documentElement.clientWidth; 
			} else {
				windowWidth = self.innerWidth;
			}
			windowHeight = self.innerHeight;
		} else if (document.documentElement && document.documentElement.clientHeight) { // Explorer 6 Strict Mode
			windowWidth = document.documentElement.clientWidth;
			windowHeight = document.documentElement.clientHeight;
		} else if (document.body) { // other Explorers
			windowWidth = document.body.clientWidth;
			windowHeight = document.body.clientHeight;
		}	
		
		// for small pages with total height less then height of the viewport
		if(yScroll < windowHeight){
			pageHeight = windowHeight;
		} else { 
			pageHeight = yScroll;
		}
	
		// for small pages with total width less then width of the viewport
		if(xScroll < windowWidth){	
			pageWidth = xScroll;		
		} else {
			pageWidth = windowWidth;
		}

		return [pageWidth,pageHeight];
	}
}

document.observe('dom:loaded', function () { new ageCheck(); });
//$('ageCheckLayerContainer').onLoad = function () { new ageCheck(); };