function SDMenu(id) {
	if (!document.getElementById || !document.getElementsByTagName)
		return false;
	this.menu = document.getElementById(id);
	this.submenus = this.menu.getElementsByTagName("div");
	this.remember = false;
	this.speed = 3;
	this.markCurrent = true;
	this.oneSmOnly = false;	
	this.submenus = RemoveBlankSubMenus(this.submenus);
}
SDMenu.prototype.init = function() {
	var mainInstance = this;
	for (var i = 0; i < this.submenus.length; i++) {
		
		this.submenus[i].getElementsByTagName("span")[0].onclick = function() {
			mainInstance.toggleMenu(this.parentNode);		
		};
		if(this.submenus[i].getElementsByTagName("a") && 
			this.submenus[i].getElementsByTagName("a").length>10) {
				this.submenus[i].getElementsByTagName("div")[0].className = "scroll";
		}
	}

	if (this.markCurrent) {
		var links = this.menu.getElementsByTagName("a");
		for (var i = 0; i < links.length; i++)
			if (links[i].href == document.location.href) {
				links[i].className = "current";
				break;
			}
	}
	if (this.remember) {
		var regex = new RegExp("sdmenu_" + encodeURIComponent(this.menu.id) + "=([01]+)");
		var match = regex.exec(document.cookie);
		if (match) {alert('');
			var states = match[1].split("");
			for (var i = 0; i < states.length; i++)
				this.submenus[i].className = (states[i] == 0 ? "collapsed" : "");
		}
	}

};
SDMenu.prototype.toggleMenu = function(submenu) {
	if (submenu.className == "collapsed")
		this.expandMenu(submenu);
	else
		this.collapseMenu(submenu);
};
SDMenu.prototype.expandMenu = function(submenu) {
	var fullHeight = submenu.getElementsByTagName("span")[0].offsetHeight;
	var links = submenu.getElementsByTagName("a");
	for (var i = 0; i < links.length; i++)
		fullHeight += links[i].offsetHeight;
	var moveBy = Math.round(this.speed * links.length);
	
	var mainInstance = this;
	var intId = setInterval(function() {
		var curHeight = submenu.offsetHeight;
		var newHeight = curHeight + moveBy;
		if (newHeight < fullHeight)
			submenu.style.height = newHeight + "px";
		else {
			clearInterval(intId);
			submenu.style.height = "";
			submenu.className = "";
			mainInstance.memorize();
		}
	}, 30);
	this.collapseOthers(submenu);
};
SDMenu.prototype.collapseMenu = function(submenu) {
	var minHeight = submenu.getElementsByTagName("span")[0].offsetHeight;
	var isCustomSpan = submenu.getElementsByTagName("span")[0].innerHTML.indexOf('remove selection');
	var moveBy = Math.round(this.speed * submenu.getElementsByTagName("a").length);
	var mainInstance = this;
	var intId = setInterval(function() {
		var curHeight = submenu.offsetHeight;
		var newHeight = curHeight - moveBy;
		if (newHeight > minHeight)
			submenu.style.height = newHeight + "px";
		else if(isCustomSpan > 0) {
			clearInterval(intId);
			submenu.className = "collapsed";
			mainInstance.memorize();
			submenu.style.height = (minHeight-1) + "px";
		}
		else {
			clearInterval(intId);
			submenu.style.height = "";
			submenu.className = "collapsed";
			mainInstance.memorize();
		}
	}, 30);
};
SDMenu.prototype.collapseOthers = function(submenu) {
	if (this.oneSmOnly) {
		for (var i = 0; i < this.submenus.length; i++)
			if (this.submenus[i] != submenu && this.submenus[i].className != "collapsed")
				this.collapseMenu(this.submenus[i]);
	}
};
SDMenu.prototype.expandAll = function() {
	var oldOneSmOnly = this.oneSmOnly;
	this.oneSmOnly = false;
	for (var i = 0; i < this.submenus.length; i++)
		if (this.submenus[i].className == "collapsed")
			this.expandMenu(this.submenus[i]);
	this.oneSmOnly = oldOneSmOnly;
};
SDMenu.prototype.collapseAll = function() {
	for (var i = 0; i < this.submenus.length; i++)
		if (this.submenus[i].className != "collapsed")
			this.collapseMenu(this.submenus[i]);
};
SDMenu.prototype.memorize = function() {
	if (this.remember) {
		var states = new Array();
		for (var i = 0; i < this.submenus.length; i++)
			states.push(this.submenus[i].className == "collapsed" ? 0 : 1);
		var d = new Date();
		d.setTime(d.getTime() + (30 * 24 * 60 * 60 * 1000));
		document.cookie = "sdmenu_" + encodeURIComponent(this.menu.id) + "=" + states.join("") + "; expires=" + d.toGMTString() + "; path=/";
	}
};

function RemoveBlankSubMenus(subMenu) {
	var i, newSubMenuLength;
	var newSubMenu = new Array();
	newSubMenuLength = 0;
	for(i=0;i<subMenu.length;i++) {
		if(!(subMenu[i].getAttribute('name'))) {// || (subMenu[i].name && subMenu[i].name != 'divscroll')) {
			newSubMenu[newSubMenuLength++] = subMenu[i];
		}
	}	
	return newSubMenu;
};

//Return an array:
// item [J*2] is the Jth variable name
// item [(J*2)+1] is the Jth variable value
function getQStrVarVals(){
    var queryParams = window.location.search.substring(1);

    if ( queryParams == "" ) { return null; }

    var resltArray = new Array;
    var itemCount = 0;
    var i;
    //var qpSplit = new RegExp('[&=]');
    
    var tempArray = queryParams.split("&");
  
    if(tempArray) {
      for (i=0;i<tempArray.length;i++) {
        var tempQstrItem = tempArray[i].split("="); 
        if(tempQstrItem) {
          resltArray[itemCount] = tempQstrItem[0];
          resltArray[itemCount+1] = tempQstrItem[1] ? tempQstrItem[1] : ""; 
        }
        else {
          resltArray[itemCount] = tempQstrItem;
          resltArray[itemCount+1] = "";
        }
        itemCount=itemCount+2;
      }
    }    

    //resltArray = queryParams.split(qpSplit);
    return resltArray;
};

function FilterProducts (FilterCatVal, FilterSubCatVal) {
    var qStrArr;
    var i;
    var newQVar = "f_" + FilterCatVal;
    var newQVarVal = FilterSubCatVal;
    var windowURL;
    var newQueryString = "";
    var filterExists = false;
    
    windowURL = window.location.href.split("?")
    if(windowURL)
      windowURL = windowURL[0];
    else 
      windowURL = window.location.href;
      
    qStrArr = getQStrVarVals();

    if(qStrArr && qStrArr.length > 1) {

      for(i=0;i<qStrArr.length;) {
	    if(qStrArr[i] == newQVar) {
	      qStrArr[i+1] = newQVarVal;
	      filterExists = true;
	      break; 
	    }
	    i=i+2;
      }

      for(i=0;i<qStrArr.length;i++) {    
	    newQueryString += qStrArr[i];    
	    if(i != qStrArr.length-1)
	      newQueryString += (i!=0 && (i%2)!= 0)? "&" : "=";
	    }
    	
	    if(!filterExists) 
	      newQueryString = window.location.search.substring(1) + "&" + newQVar + "=" + newQVarVal;      
      }
    else {
      newQueryString = newQVar + "=" + newQVarVal;
    }

    var pageURL;

//    if(window.location.href.indexOf("Scripts")>0)
//      pageURL = "ProdListFiltered.asp?" + newQueryString;
//    else
      pageURL = "http://www.onlinebridalstore.com/Scripts/ProdListFiltered.asp?" + newQueryString;

    window.location.href = pageURL;
    //alert(windowURL + "?" + newQueryString);
};

function RemoveFilter(FilterCatVal) {
    var qStrArr;
    var i;
    var newQVar = "f_" + FilterCatVal.replace(' ','+');
    var windowURL;
    var newQueryString = "";

    qStrArr = getQStrVarVals();

    if(qStrArr && qStrArr.length > 1) {

      for(i=0;i<qStrArr.length;) {
	    if(qStrArr[i] == newQVar) {
	      qStrArr[i] = qStrArr[qStrArr.length-2];
	      qStrArr[i+1] = qStrArr[qStrArr.length-1]
	      break; 
	    }
	    i=i+2;
      }
      
      qStrArr.length = qStrArr.length-2;

      for(i=0;i<qStrArr.length;i++) {    
	    newQueryString += qStrArr[i];    
	    if(i != qStrArr.length-1)
	      newQueryString += (i!=0 && (i%2)!= 0)? "&" : "=";
	    }
    }

    var pageURL;

  //  if(window.location.href.indexOf("Scripts")>0)
  //    pageURL = "ProdListFiltered.asp?" + newQueryString;
  //  else
      pageURL = "http://www.onlinebridalstore.com/Scripts/ProdListFiltered.asp?" + newQueryString;

    window.location.href = pageURL;
    //alert(windowURL + "?" + newQueryString);
};