//======================== Generic load event function. Allows numerous function to be loaded on the same page without breaking anything 
function addLoadEvent(func) {
    var oldonload = window.onload;
    if (typeof window.onload != 'function') {
        window.onload = func;
    } else {
        window.onload = function () {
            if (oldonload) {
                oldonload();
            }
            func();
        }
    }
}

// formvalidation
function ValidateCheckBox(source, args) {
    args.IsValid = $("#" + source.controltovalidate).is(":checked");
};

function ValidateCheckBoxes(source, args) {
    args.IsValid = false;

    $(".checkboxes :checkbox").each(function () {
        if ($(this).is(":checked")) {
            args.IsValid = true;
        }
    });
};

//======================== W3C compliant Popup script
function popupLauncher() {
    if (document && document.body && document.getElementById && document.getElementsByTagName) //check to see if browser understands the methods
    {
        var alinks = document.getElementsByTagName('A'); // get all the links

        for (i = 0; i < alinks.length; i++) // store then all one by one
        {
            if (alinks[i].rel == "external") // check each one to see if it has the rel attribute set to external
            {
                try {
                    alinks[i].target = "_blank";  // if it does open new window
                }
                catch (e)
          { }
            }
        }
    }
}

//======================== search form (used to clear and reset all input fields)
function resetFields(whichform) {
    for (var i = 0; i < whichform.elements.length; i++) {// get all the element tags within a form
        var element = whichform.elements[i];
        if (element.type == "submit") continue;       // check if element is a submit button
        if (element.type == "radio") continue;
        if (element.type == "reset") continue;
        if (!element.defaultValue) continue; 		// check if element doesn't have some default text and stop if it doesn't
        element.onfocus = function () {					// function for if element is in focus
            if (this.value == this.defaultValue) {		// check if the elements text is the default when page was loaded
                this.value = ""; 							// if it is delete it
            }
        }
        element.onblur = function () {					// function for if element this element no-longer in focus
            if (this.value == "") {						// check if the elements text is empty
                this.value = this.defaultValue; 		// if the elements text is empty put the default value back
            }
        }
    }
}
//======================== Function used by the reset form function. Allows the reset form function to be used for all input fields, not matter how many there are
function prepareForms() {
    for (var i = 0; i < document.forms.length; i++) {   // get all the forms
        var thisform = document.forms[i];
        resetFields(thisform); 						// apply reset form function to all the forms
    }
}

//======================= Function to show a flash
function showFlash(url) {
    $.fancybox({
        //"orig"			: $(this),
        "padding": 0,
        "href": url,
        "overlayOpacity": 0.8,
        "hideOnContentClick": true,
        "transitionIn": "fade",
        "transitionOut": "fade",
        "type": "swf",
        "swf": {
            "wmode": "transparent",
            "allowfullscreen": "true"
        }

    });

}

//======================== Function to check is javascript is activated. If it is the class js-active is assigned to html tag
var newclassname = 'js-active'; 				// define class 
var ob = document.getElementsByTagName('HTML'); // get the html tag 
if (ob.length > 0) {
    ob = ob[0]; 								// check if there is already a class applied to html tag
    if (ob.className == '') {
        ob.className = newclassname; 			// if there isn't then add class
    } else {
        ob.className += ' ' + newclassname; 	// if there is a class already present add class js-active after it
    }
}

$(document).ready(function () {
    if ($.flash.available) {
        $("a.fancyFlash").fancybox({
            //"orig"			: $(this),
            "padding": 0,
            "overlayOpacity": 0.8,
            "transitionIn": "fade",
            "transitionOut": "fade",
            "type": "swf",
            "swf": {
                "wmode": "transparent",
                "allowfullscreen": "true"
            }

        });
    } else {
		$(".flashblock img").css("display", "none");
        $(".altImg").css("display", "block");
        $("a.fancyFlash").css("display", "none");
        $(".flashblock-content").css("display", "none");
    }
});

// -------- main-nav prevent jump on hover
$(document).ready(function () {
    var navlinks = $("ul#main-nav li a"); 							// get all the links
    for (var i = 0; i < navlinks.length; i++) {
        var linkwidth = $(navlinks[i]).width(); 					// get there width
        var newlinkwidth = linkwidth + 10; 							// add 10 pixels to the width value
        if ($.browser.msie && parseInt($.browser.version) == 6) { 	// see if browser is IE6
            $(navlinks[i]).css("width", newlinkwidth); 			// if IE6 add 10px to width attribute of link
        } else {
            $(navlinks[i]).css("min-width", newlinkwidth); 		// if any other browser add 10px to min-width attribute of link
        }
    }
});

// -------- create custom animation for sliders (used by the col-3 blocks slider function beneath)
jQuery.fn.slideFadeToggle = function (speed, easing, callback) { //
    return this.animate({ height: 'toggle', opacity: 'toggle' }, speed, easing, callback);
};


// -------- col-3 blocks sliders (adds and removes the class open which controls the how the arrows are displayed and executes the slideFadeToggle animation)
$(document).ready(function () {
    $("#col-3 .block h4, #col-2 .block h4").click(function () {  // get all the h4s and add click event listener
        $(this).next().slideFadeToggle('normal'); 					   // execute slideFadeToggle animation
        $(this).toggleClass("open"); 								   // reverse present state by adding or removing class open
        return false; 											   // stop page jumping to the top when clicked
    });
});

// -------- check col-3 blocks (If JS is active function checks the current state of the nested content within the sliders when the page is first loaded and hides the required content)
$(document).ready(function () {
    $("#col-3 .block h4, #col-2 .block h4").next().css("display", "none"); // get all the next sibling of h4 and hide them
    var openH4 = $("#col-3 h4.open"); 								   // get all these sibling if it has the class name open
    for (var i = 0; i < openH4.length; i++) {
        $(openH4[i]).next().css("display", "block"); 				   // show all these siblings
    }
});

// -------- sector lable slider (function to show and hide the subnav main sectors)
$(document).ready(function () {
    var sLable = $("#col-1 .lable"); 													// get li tag with the class lable and cache it

    $(sLable).each(function (i) {
        var menuSubItems = $(this).parent().parent().children().not(":nth-child(1)");
        if ($(this).parent().hasClass("open")) {
            menuSubItems.show();
            $(this).toggle(
                function () {																	// toggle this off and on
                    menuSubItems.hide();
                    $(this).removeClass("open");
                    $(this).parent().removeClass("open");
                },
                function () {
                    menuSubItems.show();
                    $(this).addClass("opensoft");
                    $(this).parent().addClass("open");
                }
            );
        } else {
            menuSubItems.hide();
            $(this).toggle(
                function () {
                    menuSubItems.show();
                    $(this).addClass("opensoft");
                    $(this).parent().addClass("open");
                },
                function () {
                    menuSubItems.hide();
                    $(this).removeClass("open");
                    $(this).parent().removeClass("open");
                }
            );
        }
    });
});

//hide sectors which are not suppposed to be open
$(document).ready(function () {
    $("#col-1 ul.sector > li").each(function (i) {
        if (!$(this).hasClass("open")) {
            $(this).children("ul").hide();
        }
    });
});

// -------- progressive enhancement extra's to make ff2
$(document).ready(function () {
    if ($.browser.mozilla && $.browser.version.substr(0, 3) <= "1.8") { 	// see if browser is FF3 or less
        $(".item a .arrow2").css("display", "-moz-inline-box") // remove bottom border of submenu li
    }
});

// -------- progressive enhancement extra's to make IE6 behave like a real browser
$(document).ready(function () {
    if ($.browser.msie && parseInt($.browser.version) == 6) { 	// see if browser is IE6
        $("#sub-nav ul ul li:last-child").css("border-bottom", "none"); // remove bottom border of submenu li
        $(":submit").hover(
			  function () {
			      $(this).addClass("hover"); 	// adds hover class on mouseOver
			  },
			  function () {
			      $(this).removeClass("hover"); // removes hover class on mouseOut
			  }
		);
        $(":submit").click(
			  function () {
			      $(this).addClass("click"); 	// adds click class on mouseDown
			  }
		);
        $("h5 + p").css("margin-top", "-1em");
        $(".events #content-divider + .item").css("margin-top", "2.3em");
    }
});

$(document).ready(function () {
    if ($.browser.msie) { 	// see if browser is IE
        $("#sub-nav ul ul li:last-child").css("border-bottom", "none"); // remove bottom border of submenu li
        $("#col-2 .block h4 a").focus(
			function () {
			    $(this).blur();
			}
		); // remove factive styling
    }
});

// -------- progressive enhancement forms
$(document).ready(function () {
    var inputFile = $("input.file_1");
    if (inputFile.length > 0) {
        var possibleLanguages = new Array("en", "de", "es", "it", "cn", "nl");
        var bodyClassName = document.getElementsByTagName("body")[0].className;
        var bodyClassNames = bodyClassName.split(" ");
        for (i = 0; i < bodyClassNames.length; i++) {
            if (jQuery.inArray(bodyClassNames[i], possibleLanguages) !== -1) {
                var lang = bodyClassNames[i];
                break;
            }
        }
        var lang = (lang == "" || lang == undefined) ? "en" : lang;


        inputFile.filestyle({
            image: "/img/file-input-" + lang + ".png", // path needs to be relative to the host html document
            imageheight: 23,
            imagewidth: 108,
            width: 250
        });
        $("input.file_1 + div").addClass("file-submit");
    }
});

// -------- print this page
$(document).ready(function () {
    $("#print-this-page").click(function (e) {
        window.print();
    });

    $("a.print").click(function (e) {
        window.print();
    });

    // ------ removes the right border from the last li element in the content footer
    $('div#content-footer ul:first-child li:last-child').css('border-right', 'none');
});

// -------- value chain mouseOut solution to red links
$(document).ready(function () {
    var eChainLinks = $("#valuechain ul .subnav li a");
    if (eChainLinks) {
        $(eChainLinks).mouseout(
			function () {
			    $(this).css("color", "#163b68");
			    $(this).find("span").css("background-position", "0 0px");
			}).mouseover(
			function () {
			    $(this).css("color", "#163b68");
			    $(this).find("span").css("background-position", "0 -63px");
			}).mousedown(
			function () {
			    $(this).css("color", "#f92b31");
			    $(this).find("span").css("background-position", "0 -84px");
			}).mouseup(
			function () {
			    $(this).css("color", "#163b68");
			    $(this).find("span").css("background-position", "0 -63px");
			});
    }
});


//======================== IE6 antiflicker (stops the ie flicker on background images
try {
    document.execCommand('BackgroundImageCache', false, true);
} catch (e) { }

addLoadEvent(prepareForms);
addLoadEvent(popupLauncher);