// toggle visibility

function toggle( targetId ){
  if (document.getElementById){
  		target = document.getElementById( targetId );
  			if (target.style.display == "none"){
  				target.style.display = "";
  			} else {
  				target.style.display = "none";
  			}
  	}
}


// switch styles

function setActiveStyleSheet(title) {
  var i, a, main;
  for (i=0; (a = document.getElementsByTagName("link")[i]); i++) {
    if (a.getAttribute("rel") &&
        a.getAttribute("rel").indexOf("style") != -1 &&
        a.getAttribute("title")) {
      a.disabled = true;
      if(a.getAttribute("title") == title) a.disabled = false;
    }
  }
}

function getActiveStyleSheet() {
  var i, a;
  for (i=0; (a = document.getElementsByTagName("link")[i]); i++) {
    if (a.getAttribute("rel") &&
        a.getAttribute("rel").indexOf("style") != -1 &&
        a.getAttribute("title") &&
        !a.disabled
        ) return a.getAttribute("title");
  }
  return null;
}

function getPreferredStyleSheet() {
  var i, a;
  for (i=0; (a = document.getElementsByTagName("link")[i]); i++) {
    if (a.getAttribute("rel") &&
        a.getAttribute("rel").indexOf("style") != -1 &&
        a.getAttribute("rel").indexOf("alt") == -1 &&
        a.getAttribute("title")
        ) return a.getAttribute("title");
  }
  return null;
}

function createCookie(name,value,days) {
  if (days) {
    var date = new Date();
    date.setTime(date.getTime()+(days*24*60*60*1000));
    var expires = "; expires="+date.toGMTString();
  }
  else expires = "";
  document.cookie = name+"="+value+expires+"; path=/";
}

function readCookie(name) {
  var nameEQ = name + "=";
  var ca = document.cookie.split(';');
  for(var i=0;i < ca.length;i++) {
    var c = ca[i];
    while (c.charAt(0)==' ') c = c.substring(1,c.length);
    if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
  }
  return null;
}

window.onload = function(e) {
  var cookie = readCookie("style");
  var title = cookie ? cookie : getPreferredStyleSheet();
  setActiveStyleSheet(title);
}

window.onunload = function(e) {
  var title = getActiveStyleSheet();
  createCookie("style", title, 365);
}

var cookie = readCookie("style");
var title = cookie ? cookie : getPreferredStyleSheet();
setActiveStyleSheet(title);


function MM_findObj(n, d) { //v4.0
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && document.getElementById) x=document.getElementById(n); return x;
}

function MM_validateForm() { //v4.0
  var i,p,q,nm,test,num,min,max,errors='',args=MM_validateForm.arguments;
  for (i=0; i<(args.length-2); i+=3) { test=args[i+2]; val=MM_findObj(args[i]);
    if (val) { nm=val.name; if ((val=val.value)!="") {
      if (test.indexOf('isEmail')!=-1) { p=val.indexOf('@');
        if (p<1 || p==(val.length-1)) errors+='- '+nm+' must contain an e-mail address.\n';
      } else if (test!='R') {
        if (isNaN(val)) errors+='- '+nm+' must contain a number.\n';
        if (test.indexOf('inRange') != -1) { p=test.indexOf(':');
          min=test.substring(8,p); max=test.substring(p+1);
          if (val<min || max<val) errors+='- '+nm+' must contain a number between '+min+' and '+max+'.\n';
    } } } else if (test.charAt(0) == 'R') errors += '- '+nm+' is required.\n'; }
  } if (errors) alert('The following error(s) occurred:\n'+errors);
  document.MM_returnValue = (errors == '');
}


function MM_jumpMenu(targ,selObj,restore){ //v3.0
  eval(targ+".location='"+selObj.options[selObj.selectedIndex].value+"'");
  if (restore) selObj.selectedIndex=0;
}



function centerPop(filename,yourWidth,yourHeight,num){	
	//if (document.all || document.layers) {
	   w = screen.availWidth;
	   h = screen.availHeight;
	//}
	var popW = yourWidth; 
	var popH = yourHeight;
	var topPos = (h-popH)/2; 
	var leftPos = (w-popW)/2;
	myWindow = window.open(filename,"openup",'width='+popW+',height='+popH+',top='+topPos+',left='+leftPos+',scrollbars=no');
			if (!myWindow.opener) myWindow.opener = self;
	myWindow.focus();
	if(num > 0)	{
		myWindow.close();
	}
}

// Check form required fields
function CheckForm (FormName, RequiredFields) {
    var MyForm	= eval('self.document.'+FormName);
    // Check required fields
    for (i=0; i<MyForm.length; i++) {
        var FormField	= MyForm.elements[i];

        // Check generic required field
        if (RequiredFields[FormField.name] && FormField.value == '') {
            var Warning	= RequiredFields[FormField.name]+' is a required field!';
            alert(Warning);
            FormField.focus();
            return false
        }

        // Check email address format
        else if (FormField.name.match (/email/)                        != null &&
                 FormField.value                                       != ''   &&
                 FormField.value.match(/[\w.-]+@[\w-]+(\.[\w-]+){1,}/) == null) {
            var Warning	= 'Invalid formatted e-mail address!';
            alert(Warning);
            FormField.focus();
            return false
        }
    }
    return true 
}
//*************************Add to Favorites*******************************

 var urlAddress = "http://www.lkllp.com";
 var pageName = "Littman Krooks";

 function addToFavorites()
 {
  if (window.external)
 {
   window.external.AddFavorite(urlAddress,pageName)
 }
  else
 { 
   alert("Sorry! Your browser doesn't support this function.");
  }
 }

 //*************************Banner Popup*******************************

 var newWindow = null;

function openWindow(contentURL,windowName,windowWidth,windowHeight) {
	widthHeight = 'height=' + windowHeight + ',width=' + windowWidth;
	newWindow = window.open(contentURL,windowName,widthHeight);
	newWindow.focus()
}

function closeWindow() {
	if (newWindow != null)  {	
	 newWindow.close();
	 newWindow = null;
	}
}

function toggleWindow(contentURL,windowName,windowWidth,windowHeight) {
	if (newWindow == null) {
		widthHeight = 'height=' + windowHeight + ',width=' + windowWidth;
		newWindow = window.open(contentURL,windowName,widthHeight);
		newWindow.focus()
	}
	else {	
	 			newWindow.close();
	 			newWindow = null;
	}
}

// -->