function getIEVersion() {
	var rv = -1; 
	if (navigator.appName == 'Microsoft Internet Explorer') {
	 var ua = navigator.userAgent;
	 var re  = new RegExp("MSIE ([0-9]{1,}[\.0-9]{0,})");
	 if (re.exec(ua) != null)
	   rv = parseFloat( RegExp.$1 );
	}
	return rv;
}


function hideAllVisibleSelectsInIE6(elementToExclude) {
	var iev = getIEVersion();
	if (iev > 0 && iev <= 6) {
		jQuery('select').hide();
		if (elementToExclude) {
			elementToExclude.find("select").show();
		}
	}
}

function unhideAllVisibleSelectsInIE6() {
	var iev = getIEVersion();
	if (iev > 0 && iev <= 6) {
		jQuery('select').show();		
	}
}



function GetCookie(sName){
  var aCookie = document.cookie.split("; ");
  for (var i=0; i < aCookie.length; i++)
  {
    var aCrumb = aCookie[i].split("=");
    if (sName == aCrumb[0])
      return unescape(aCrumb[1]);
  }
  return "";
}

function SetCookie(sName, sValue, path, expirationDate){
  if(typeof(expirationDate) == "undefined"){
     expirationDate = new Date();
	 expirationDate.setTime(expirationDate.getTime()+(365*24*60*60*1000));
  }
  document.cookie = sName + "=" + escape(sValue) + "; expires=" + expirationDate.toGMTString()
  	+ (path ? "; path=" + path : "");
}

function doNothing() {
}

function openPop(url,myname,myheight,mywidth){
	myValues = 'height='+myheight+', width='+ mywidth+', titlebar=no, menubar=no, toolbar=no, resizable=no, scrollbars=yes, status=no';
	window.open(url, myname, myValues);
}
function openGlassesInfoPop(){
	window.open('glasses_infopop.jsp', 'GlassesInformationPop','height=700, width=620, titlebar=no, menubar=no, toolbar=no, resizable=yes, scrollbars=yes, status=no');
}
function gotoGlassesView(selectorGlasses){
	document.location = selectorGlasses;
}
function openProductInfoPop(url){
	window.open(url, 'ProductInformationPop','height=450, width=400, titlebar=no, menubar=no, toolbar=no, resizable=no, scrollbars=yes, status=no');
}

function openLensMissingPop(url){
	window.open(url, 'LensMissingPop','height=300, width=500, titlebar=no, menubar=no, toolbar=no, resizable=no, scrollbars=yes, status=no');
}

function openWinnerWindow(url){
	window.open(url, 'winner_pop','height=400, width=600, titlebar=no, menubar=no, toolbar=no, resizable=no, scrollbars=yes, status=no');
}

function openCompetitionWindow(url){
	window.open(url, 'quiz_pop2','height=850, width=562, titlebar=no, menubar=no, toolbar=no, resizable=no, scrollbars=yes, status=no');
}

function openReminderWindow(){
	window.open('about:blank', 'reminder_pop','height=400, width=600, titlebar=no, menubar=no, toolbar=no, resizable=no, scrollbars=yes, status=no');
	submitForm(document.forms.reminder);
}


function openDeliveryTimePop(){
	if (isCompleteOrder()) {
		window.open('about:blank', 'deliverytime_pop','height=400, width=600, titlebar=no, menubar=no, toolbar=no, resizable=no, scrollbars=yes, status=no');
		var os = serializeJSON({order:getCurrentOrder()});
		document.getElementById("order_json2").value = os;
		submitForm(document.forms.delivery);
	} else {
		alert('Al information om produkterne skal udfyldes for at vi skal kunne beregne leveringstiden.');
	}
}

function openAgbPop(){
	window.open("agb.jsp", 'AgbPop','height=400, width=500, titlebar=no, menubar=no, toolbar=no, resizable=no, scrollbars=yes, status=no');
}

function openSurveyPop(url){
	window.open(url, 'ProductInformationPop','height=300, width=400, titlebar=no, menubar=no, toolbar=no, resizable=no, scrollbars=yes, status=no');
}

function openCompetitionWindow(url){
	window.open(url, 'quiz_pop2','height=850, width=562, titlebar=no, menubar=no, toolbar=no, resizable=no, scrollbars=yes, status=no');
}

function openCompetitionDoubleWindow(url){
	window.open(url, 'quiz_pop2','height=600, width=600, titlebar=no, menubar=no, toolbar=no, resizable=no, scrollbars=yes, status=no');
	submitForm(document.forms.double_order);
}

function allParametersSelected_Sol(productFieldNum) {
	var productSelected = false;
	var size_td = document.getElementById("solution_size_td"+productFieldNum);
	var size_sel = document.getElementById("solution_size"+productFieldNum);

	if(isHidden(size_td))
		productSelected = true;
	else if(size_sel == null || size_sel.options.length>0)
		productSelected = true;

	return productSelected;
}
function openConditionsInfoPop(openPage, titleName){
	window.open(openPage, titleName,'height=400, width=500, titlebar=no, menubar=no, toolbar=no, resizable=no, scrollbars=yes, status=no');
}
function changeProductMenu(product_id){
	if(product_id > 100000){
		document.location = "product?lensgroupid=" + product_id;
	} else {
		document.location = "cart?prodid=" + product_id;
	}
}
function askIfNewsLetter(){
	
}
//-------------------------------------------------------------------//
// detectBrowser()                                                   //
//-------------------------------------------------------------------//
// Detekterar vilken browser som används och returnerar detta        //
//-------------------------------------------------------------------//
function detectBrowser(){
	var browserName=navigator.appName; 
	return(browserName);
}

//-------------------------------------------------------------------//
// selectEntireList(selectBox, valueToSet)                           //
//-------------------------------------------------------------------//
// Väljer valueToSet ur selectboxen selectBox                        //
//-------------------------------------------------------------------//
function selectEntireList(selectBox, valueToSet){ 
	var fromObj = selectBox; 
	for ( selIndex = fromObj.length; selIndex -- ; selIndex > 0 ){ 
		if(fromObj.options[selIndex].value == valueToSet){
			fromObj.options[selIndex].selected = true;
		} 
	}
}

//-------------------------------------------------------------------//
// mouseOverHorizontalMenu(buttonId)                                 //
//-------------------------------------------------------------------//
// MouseOver-function för knappar                                    //
//-------------------------------------------------------------------//
function mouseOverHorizontalMenu(buttonId){
	left = document.getElementById("horizontalMenuLeft_" + buttonId);
	middle = document.getElementById("horizontalMenuMiddle_" + buttonId);
	right = document.getElementById("horizontalMenuRight_" + buttonId);
	left.src = "/images/horizontal_menu/menu_left_over.gif";
	middle.style.backgroundImage = "url('/images/horizontal_menu/menu_middle_over.gif')";
	right.src = "/images/horizontal_menu/menu_right_over.gif";
}

//-------------------------------------------------------------------//
// mouseOutHorizontalMenu(buttonId)                                  //
//-------------------------------------------------------------------//
// MouseOut-function för knappar                                     //
//-------------------------------------------------------------------//
function mouseOutHorizontalMenu(buttonId){
	left = document.getElementById("horizontalMenuLeft_" + buttonId);
	middle = document.getElementById("horizontalMenuMiddle_" + buttonId);
	right = document.getElementById("horizontalMenuRight_" + buttonId);
	left.src = "/images/horizontal_menu/menu_left.gif";
	middle.style.backgroundImage = "url('/images/horizontal_menu/menu_middle.gif')";
	right.src = "/images/horizontal_menu/menu_right.gif";
}

//-------------------------------------------------------------------//
// mouseOverHorizontalMenu(buttonId)                                 //
//-------------------------------------------------------------------//
// MouseOver-function för knappar                                    //
//-------------------------------------------------------------------//
function mouseOverHorizontalMenu2(buttonId){
	left = document.getElementById("horizontalMenuLeft_" + buttonId);
	middle = document.getElementById("horizontalMenuMiddle_" + buttonId);
	right = document.getElementById("horizontalMenuRight_" + buttonId);
	left.src = "/images/horizontal_menu/menu2_left_over.gif";
	middle.style.backgroundImage = "url('/images/horizontal_menu/menu2_middle_over.gif')";
	right.src = "/images/horizontal_menu/menu2_right_over.gif";
}

//-------------------------------------------------------------------//
// mouseOutHorizontalMenu(buttonId)                                  //
//-------------------------------------------------------------------//
// MouseOut-function för knappar                                     //
//-------------------------------------------------------------------//
function mouseOutHorizontalMenu2(buttonId){
	left = document.getElementById("horizontalMenuLeft_" + buttonId);
	middle = document.getElementById("horizontalMenuMiddle_" + buttonId);
	right = document.getElementById("horizontalMenuRight_" + buttonId);
	left.src = "/images/horizontal_menu/menu2_left.gif";
	middle.style.backgroundImage = "url('/images/horizontal_menu/menu2_middle.gif')";
	right.src = "/images/horizontal_menu/menu2_right.gif";
}

function hideField(field) {
	if (field && !isHidden(field))
		field.className += " hidden";
}

function unhideField(field) {
	if (field) {
		field.className = field.className.replace(/hidden/, "");
	}
}

function isHidden(field) {
	return field && field.className.match("hidden");
}

function submitForm(curr_form) {

	curr_form.submit();
}

function warningExtraPurchase(curr_form) {
	if(confirm('Er du sikker på, at du vil tilføje disse produkter?')){
		submitForm(curr_form);
	}
}

String.prototype.encode_lzw=function(){
	var dict={};
	var data=(this+"").split("");
	var out=[];
	var currChar;
	var phrase=data[0];
	var code=256;
	for(var i=1;i<data.length;i++){
		currChar=data[i];
		if(dict[phrase+currChar]!=null){
			phrase+=currChar;
		}else{
			out.push(phrase.length>1?dict[phrase]:phrase.charCodeAt(0));
			dict[phrase+currChar]=code;
			code++;
			phrase=currChar;
		}
	}
	out.push(phrase.length>1?dict[phrase]:phrase.charCodeAt(0));
	for(var i=0;i<out.length;i++){
		out[i]=String.fromCharCode(out[i]);
	}
	return out.join("");
};

function getScrollXY() {
	  var scrOfX = 0, scrOfY = 0;
	  if( typeof( window.pageYOffset ) == 'number' ) {
	    //Netscape compliant
	    scrOfY = window.pageYOffset;
	    scrOfX = window.pageXOffset;
	  } else if( document.body && ( document.body.scrollLeft || document.body.scrollTop ) ) {
	    //DOM compliant
	    scrOfY = document.body.scrollTop;
	    scrOfX = document.body.scrollLeft;
	  } else if( document.documentElement && ( document.documentElement.scrollLeft || document.documentElement.scrollTop ) ) {
	    //IE6 standards compliant mode
	    scrOfY = document.documentElement.scrollTop;
	    scrOfX = document.documentElement.scrollLeft;
	  }
	  return [ scrOfX, scrOfY ];
}

function select_SetNumeric(sel, val) {
	for (var i = 0;	i < sel.length; i++) {
		if (sel[i].value == val || parseFloat(sel[i].value) == parseFloat(val)) {
			sel.selectedIndex = i;
			return;
		}
	}
}