var IE = document.all ? true : false;

var main = {
	page: '',
	errMsg: '',
	loadPage: function(targetPage, args, div) {
		if (targetPage.length > 0) {
			this.page = (targetPage.search('.php') > -1) ? targetPage : targetPage+'.php';
		}
		$.ajax(
			{
		        type:   "POST",
		        url:    main.page,
		        data:   'req=1&'+args,
		        success: function(html) {
			        $("#"+div).html(html);
		        },
		        error: function() {
		        	$("#"+div).html(main.errMsg);
		        }
		    }
	    );
	},
}

//
// Home page carosel
//

$(document).ready(
    function() {
		// Selection objects for carosel display
		if (window.location.pathname.search(/\/$|\/index\.php$/) > -1) {
			$("#prev").hide();
		}
    }
);

var home = {
	oldTime: 0,
	selectorPostition: 0,
	currLocation: window.location.href,
	urlPattern: /\?/,
	selectFirst: function(mouse) {
		$("#selector").css({left:"0px"});
		$("#slide-1").css({left:"0px"});
		$("#slide-2").css({left:"965px"});
		$("#slide-3").css({left:"1930px"});
		$("#next").show();
		$("#prev").hide();
		if (mouse) {
			this.selectorPostition += mouse;
		} else {
			this.selectorPostition = 0;
		}
	},
	selectSecond: function(mouse) {
		$("#selector").css({left:"322px"});
		$("#slide-1").css({left:"-965px"});
		$("#slide-2").css({left:"0px"});
		$("#slide-3").css({left:"965px"});
		$("#next").show();
		$("#prev").show();
		if (mouse) {
			this.selectorPostition += mouse;
		} else {
			this.selectorPostition = 1;
		}
	},
	selectThird: function(mouse) {
		$("#selector").css({left:"644px"});
		$("#slide-1").css({left:"-1930px"});
		$("#slide-2").css({left:"-965px"});
		$("#slide-3").css({left:"0px"});
		$("#next").hide();
		$("#prev").show();
		if (mouse) {
			this.selectorPostition += mouse;
		} else {
			this.selectorPostition = 2;
		}
	},
	mouseSelectRight: function() {
		switch (this.selectorPostition)
		{
			case 0:
				this.selectSecond(1);
				break;
			case 1:
				this.selectThird(1);
				break;
		}
	},
	mouseSelectLeft: function() {
		switch (this.selectorPostition)
		{
			case 2:
				this.selectSecond(-1);
				break;
			case 1:
				this.selectFirst(-1);
				break;
		}
	},
}


$(document).keydown(
    function(event) {
        if (home.oldTime === 0) {
            home.oldTime = event.timeStamp;
        }
        if (event.timeStamp - home.oldTime > 100 || event.timeStamp - home.oldTime === 0) { // check to see if key was pressed within 1 second -- prevents size from going too small
            home.oldTime = event.timeStamp;
            switch (event.which) {
                case 37:
                    if ($("#selector").position().left > 10) {
                        home.mouseSelectLeft();
                    }
                    break;
                case 39:
                    if ($("#selector").position().left < 1000) {
                        home.mouseSelectRight();
                    }
                    break;
                case 13:
                    switch (parseInt($("#selector").css("left"))) {
                    	case 0:
                			window.location.assign($("#learn_focused").attr("href"));
                    		break;
                		case 322:
                			window.location.assign($("#learn_agile").attr("href"));
                    		break;
                		case 644:
                			window.location.assign($("#learn_multifaceted").attr("href"));
                    		break;
                    }
                    break;
            }
        }
    }
);

// for IE8
if(!document.getElementsByClassName) {
    document.getElementsByClassName = function(className) {
        return this.querySelectorAll("." + className);
    };
    Element.prototype.getElementsByClassName = document.getElementsByClassName;
}


//
// Knowledgebase filter object
//

var choices = {
	choices: {'version': '', 'platform': '', 'keyword': ''},
	selectedItems: {},
	majorversion: 0,
	platform: '',
	ev: '',
	tClass: '',
	tID: '',
	altChecked: 0,
	setChoice: function(event) {
		this.ev = event;
		if (event.target.className == '') {
			this.tClass = event.target.parentNode.className;
			this.tID = event.target.parentNode.id;
		} else {
			this.tClass = event.target.className;
			this.tID = event.target.id;
		}
		$('.selected.'+this.tClass).removeClass('selected');
		$('#'+this.tID).addClass('selected');
		this.getChoices();
	},
	getChoices: function() {
		this.selectedItems = $('.selected[class*="Choice"]');
		for (var i = 0; i < this.selectedItems.length; i++) {
			var val = (this.selectedItems[i].value != '') ? this.selectedItems[i].value : this.selectedItems[i].id;
			this.choices[this.selectedItems[i].className.replace(/Choice/, '').replace(/selected/, '').trim()] = encodeURI(val);
		}
		this.getVersion()
		this.getPlatform()
		this.choices['keyword'] = $(':input[name=keyword]').val();
		this.post();
		$(":input[name=keyword]").focus();
	},
	search: function(submit) {
		this.choices['keyword'] = $(':input[name=keyword]').val();
		if (submit) {
			this.getChoices();
			// this.post();
		}
	},
	checkAlt: function(event) {
		if (parseInt(event.target.value) == 1) {
			if ($("#"+event.target.id)[0].checked) {
				this.altChecked ++;
			} else {
				this.altChecked --;
			}
		}
		if (this.altChecked > 0) {
			$("#altMsg").show();
		} else {
			$("#altMsg").hide();
		}
	},
	getVersion: function() {
		this.majorversion = $(':input[name="selectedversion"]').val();
		if (this.majorversion != null && this.majorversion.length > 0 && this.choices['version'].length == 0) {
			this.choices['version'] = this.majorversion;
		}
	},
	getPlatform: function() {
		this.platform = $(':input[name="selectedplatform"]').val();
		if (this.platform != null && this.platform.length > 0 && this.choices['platform'].length == 0) {
			this.choices['platform'] = this.platform;
		}
	},
	download: function() {
		var formats = '';
		this.getVersion()
		this.getPlatform()
		var selection = $(':input:checkbox:checked');
		if (selection.length == 0) {
			var a = "You must select at least one format";
			alert(a);
		} else {
			for (var i = 0; i < selection.length; i++) {
				formats += selection[i].name + ((i < selection.length - 1) ? ',' : '');
			}
			this.choices['formats'] = formats;
			window.location = formatsPath+'?download='+formats+'&platform='+this.choices['platform']+'&version='+this.choices['version'];
		}
	},
	post: function() {
		args = [];
		for (choice in this.choices) {
			args.push([choice, this.choices[choice]].join('='))
		}
		if (window.location.href.search(/moreformats/) > -1) {
			page = formatsPath;
			target = 'formats';
		} else if (window.location.pathname.search(/download/) > -1) {
			page = langPath+'/dl4.php';
			target = 'content';
		} else if (window.location.pathname.search(/support/) > -1) {
			page = langPath+'/support_main.php';
			target = 'content';
		} else {
			page = window.location.pathname;
			target = 'content';
		}
		main.loadPage(page, args.join('&'), target);
	}
}


//
// Shop selection
//

function select(event) {
	if (typeof event.target != 'undefined') {
		var target = event.target;
	} else {
		var target = event.srcElement;
	}

	try {
		var targetID = target.id;
	}
	catch (err) {
		var targetID = target;
	}

	try {
		var parent = target.parentNode;
	}
	catch (err) {
		var parent = target;
	}

	var forms = document.forms;
	for (var form = forms.length - 1; form >= 0; form--) {
		for (var element = forms[form].length - 1; element >= 0; element--) {
			if (targetID.length > 0 && forms[form][element].value == targetID) {
				var selects = document.getElementsByClassName(target.className);
				for (var i = selects.length - 1; i >= 0; i--) {
				 	selects[i].className = selects[i].className.replace("selected", "");
				}
				target.className += ' selected';
				forms[form][element].checked = true;
				break;
			} else if (parent.id.length > 0 && forms[form][element].value == parent.id) {
				var selects = document.getElementsByClassName(parent.className);
				for (var i = selects.length - 1; i >= 0; i--) {
				 	selects[i].className = selects[i].className.replace("selected", "");
				}
				parent.className += ' selected';
				forms[form][element].checked = true;
			}
		}
	}
	forms[0].submit();
}