var dynamicOptionListCount=0;
       var dynamicOptionListObjects = new Array();

    	function initDynamicOptionLists()
    {
        for(var i=0;i<dynamicOptionListObjects.length;i++)
        {
            var dol = dynamicOptionListObjects[i];
            if(dol.formName!=null)
            {
                dol.form = document.forms[dol.formName];
            }
            else if(dol.formIndex!=null)
            {
                dol.form = document.forms[dol.formIndex];
            }
            else
            {
                var name = dol.fieldNames[0][0];
                for(var f=0;f<document.forms.length;f++)
                {
                    if(typeof(document.forms[f][name])!="undefined")
                    {
                        dol.form = document.forms[f];break;
                    }
                }
                if(dol.form==null)
                {
                    alert("ERROR: Couldn't find form element "+name+" in any form on the page! Init aborted");
                    return;
                }
            }
            for(var j=0;j<dol.fieldNames.length;j++)
            {
                for(var k=0;k<dol.fieldNames[j].length-1;k++)
                {
                    var selObj = dol.form[dol.fieldNames[j][k]];
                    if(typeof(selObj)=="undefined")
                    {
                        alert("Select box named "+dol.fieldNames[j][k]+" could not be found in the form. Init aborted");
                        return;
                    }
                    if(k==0)
                    {
                        if(selObj.options!=null)
                        {
                            for(l=0;l<selObj.options.length;l++)
                            {
                                var sopt = selObj.options[l];
                                var m = dol.findMatchingOptionInArray(dol.options,sopt.text,sopt.value,false);
                                if(m!=null)
                                {
                                    var reselectForNN6 = sopt.selected;
                                    var m2 = new Option(sopt.text, sopt.value, sopt.defaultSelected, sopt.selected);
                                    m2.selected = sopt.selected;
                                    m2.defaultSelected = sopt.defaultSelected;
                                    m2.DOLOption = m;
                                    selObj.options[l] = m2;selObj.options[l].selected = reselectForNN6;
                                    }
                                }
                            }
                        }
                        if(selObj.onchange==null)
                        {
                            selObj.onchange = new Function("dynamicOptionListObjects["+dol.index+"].change(this)");
                        }
                    }
                }
            }
            resetDynamicOptionLists();
        }

    function resetDynamicOptionLists(theform)
    {
        for(var i=0;i<dynamicOptionListObjects.length;i++)
        {
            var dol = dynamicOptionListObjects[i];
            if(typeof(theform)=="undefined" || theform==null || theform==dol.form)
            {
                for(var j=0;j<dol.fieldNames.length;j++)
                {
                    dol.change(dol.form[dol.fieldNames[j][0]],true);
                }
            }
        }
    }

    function DOLOption(text,value,defaultSelected,selected)
    {
        this.text = text;
        this.value = value;
        this.defaultSelected = defaultSelected;
        this.selected = selected;
        this.options = new Array();
        return this;
    }
    	

    function DynamicOptionList()
    {
        this.form = null;
        this.options = new Array();
        this.longestString = new Array();
        this.numberOfOptions = new Array();
        this.currentNode = null;
        this.currentField = null;
        this.currentNodeDepth = 0;
        this.fieldNames = new Array();
        this.formIndex = null;
        this.formName = null;
        this.fieldListIndexes = new Object();
        this.fieldIndexes = new Object();
        this.selectFirstOption = true;
        this.numberOfOptions = new Array();
        this.longestString = new Array();
        this.values = new Object();
        this.forValue = DOL_forValue;
        this.forText = DOL_forText;
        this.forField = DOL_forField;
        this.forX = DOL_forX;
        this.addOptions = DOL_addOptions;
        this.addOptionsTextValue = DOL_addOptionsTextValue;
        this.setDefaultOptions = DOL_setDefaultOptions;
        this.setValues = DOL_setValues;
        this.setValue = DOL_setValues;
        this.setFormIndex = DOL_setFormIndex;
        this.setFormName = DOL_setFormName;
        this.printOptions = DOL_printOptions;
        this.addDependentFields = DOL_addDependentFields;
        this.change = DOL_change;
        this.child = DOL_child;
        this.selectChildOptions = DOL_selectChildOptions;
        this.populateChild = DOL_populateChild;
        this.change = DOL_change;
        this.addNewOptionToList = DOL_addNewOptionToList;
        this.findMatchingOptionInArray = DOL_findMatchingOptionInArray;
                if(arguments.length > 0)
        {
            for(var i=0;i<arguments.length;i++)
            {
                this.fieldListIndexes[arguments[i].toString()] = this.fieldNames.length;
                this.fieldIndexes[arguments[i].toString()] = i;
            }            this.fieldNames[this.fieldNames.length] = arguments;
        }
                this.index = window.dynamicOptionListCount++;
        window["dynamicOptionListObjects"][this.index] = this;
    }

	    function DOL_findMatchingOptionInArray(a,text,value,exactMatchRequired)
    {
        if(a==null || typeof(a)=="undefined")
        {
            return null;
        }
        var value_match = null;
        var text_match = null;
        for(var i=0;i<a.length;i++)
        {
            var opt = a[i];
            if(opt.value==value && opt.text==text)
            {
                return opt;
            }
            if(!exactMatchRequired)
            {
                if(value_match==null && value!=null && opt.value==value)
                {
                    value_match = opt;
                }
                if(text_match==null && text!=null && opt.text==text)
                {
                    text_match = opt;
                }
            }
        }
        return(value_match!=null)?value_match:text_match;
    }

    
    function DOL_forX(s,type)
    {
        if(this.currentNode==null)
        {
            this.currentNodeDepth=0;
        }
        var useNode =(this.currentNode==null)?this:this.currentNode;
        var o = this.findMatchingOptionInArray(useNode["options"],(type=="text")?s:null,(type=="value")?s:null,false);
        if(o==null)
        {
            o = new DOLOption(null,null,false,false);
            o[type] = s;
            useNode.options[useNode.options.length] = o;
        }
        this.currentNode = o;
        this.currentNodeDepth++;
        return this;
    }

    function DOL_forValue(s)
    {
        return this.forX(s,"value");
    }
	    function DOL_forText(s)
    {
        return this.forX(s,"text");
    }

	    function DOL_forField(f)
    {
        this.currentField = f;
        return this;
    }

    function DOL_addNewOptionToList(a, text, value, defaultSelected)
    {
        var o = new DOLOption(text,value,defaultSelected,false);
        if(a==null)
        { 
           a = new Array();
        }
            for(var i=0;i<a.length;i++)
        {
            if(a[i].text==o.text && a[i].value==o.value)
            {
                if(o.selected)
                {
                    a[i].selected=true;
                }
                if(o.defaultSelected)
                {
                    a[i].defaultSelected = true;
                }
                return a;
            }
        }
        a[a.length] = o;
    }

    function DOL_addOptions()
    {
        if(this.currentNode==null)
        {
            this.currentNode = this;
        }
        if(this.currentNode["options"] == null)
        {
            this.currentNode["options"] = new Array();
        }
        for(var i=0;i<arguments.length;i=i+2)
        {
            var text = arguments[i];
	     var value = arguments[i+1];	
            this.addNewOptionToList(this.currentNode.options,text,value,false);
            if(typeof(this.numberOfOptions[this.currentNodeDepth])=="undefined")
            {
                this.numberOfOptions[this.currentNodeDepth]=0;
            }
            if(this.currentNode.options.length > this.numberOfOptions[this.currentNodeDepth])
            {
                this.numberOfOptions[this.currentNodeDepth] = this.currentNode.options.length;
            }
            if(typeof(this.longestString[this.currentNodeDepth])=="undefined" ||(text.length > this.longestString[this.currentNodeDepth].length))
            {
                this.longestString[this.currentNodeDepth] = text;
            }
        }
                this.currentNode = null;this.currentNodeDepth = 0;
    }

    function DOL_addOptionsTextValue()
    {
        if(this.currentNode==null)
        {
            this.currentNode = this;
        }
        if(this.currentNode["options"] == null)
        {
            this.currentNode["options"] = new Array();
        }
        for(var i=0;i<arguments.length;i++)
        {
            var text = arguments[i++];
            var value = arguments[i];
            this.addNewOptionToList(this.currentNode.options,text,value,false);
            if(typeof(this.numberOfOptions[this.currentNodeDepth])=="undefined")
            {
                this.numberOfOptions[this.currentNodeDepth]=0;
            }
    
            if(this.currentNode.options.length > this.numberOfOptions[this.currentNodeDepth])
            {
                this.numberOfOptions[this.currentNodeDepth] = this.currentNode.options.length;
            }
            if(typeof(this.longestString[this.currentNodeDepth])=="undefined" ||(text.length > this.longestString[this.currentNodeDepth].length))
            {
                this.longestString[this.currentNodeDepth] = text;
            }
        }
                this.currentNode = null;this.currentNodeDepth = 0;
    }

    function DOL_child(obj)
    {
        var listIndex = this.fieldListIndexes[obj.name];
        var index = this.fieldIndexes[obj.name];
        if(index <(this.fieldNames[listIndex].length-1))
        {
            return this.form[this.fieldNames[listIndex][index+1]];
        }
        return null;
    }

    function DOL_setDefaultOptions()
    {
        if(this.currentNode==null)
        {
            this.currentNode = this;
        }
        for(var i=0;i<arguments.length;i++)
        {
            var o = this.findMatchingOptionInArray(this.currentNode.options,null,arguments[i],false);
            if(o!=null)
            {
                o.defaultSelected = true;
            }
        }
 
       this.currentNode = null;
    }

    function DOL_setValues()
    {
        if(this.currentField==null)
        {
            alert("Can't call setValues() without using forField() first!");
            return;
        }
        if(typeof(this.values[this.currentField])=="undefined")
        {
            this.values[this.currentField] = new Object();
        }
        for(var i=0;i<arguments.length;i++)
        {
            this.values[this.currentField][arguments[i]] = true;
        }
        this.currentField = null;
    }

    function DOL_setFormIndex(i)
    {
        this.formIndex = i;
    }

    function DOL_setFormName(n)
    {
        this.formName = n;
    }

    function DOL_printOptions(name)
    {
        if((navigator.appName == 'Netscape') &&(parseInt(navigator.appVersion) <= 4))
        {
            var index = this.fieldIndexes[name];
            var ret = "";
            if(typeof(this.numberOfOptions[index])!="undefined")
            {
                for(var i=0;i<this.numberOfOptions[index];i++)
                {
                    ret += "<OPTION>";
                }
            }
            ret += "<OPTION>";
            if(typeof(this.longestString[index])!="undefined")
            {
                for(var i=0;i<this.longestString[index].length;i++)
                {
                    ret += "_";
                }
            }
            document.writeln(ret);
        }
    }

    function DOL_addDependentFields()
    {
        for(var i=0;i<arguments.length;i++)
        {
            this.fieldListIndexes[arguments[i].toString()] = this.fieldNames.length;
            this.fieldIndexes[arguments[i].toString()] = i;
        }
        this.fieldNames[this.fieldNames.length] = arguments;
    }

    function DOL_change(obj, usePreselected)
    {
        if(usePreselected==null || typeof(usePreselected)=="undefined")
        {
            usePreselected = false;
        }
        var changedListIndex = this.fieldListIndexes[obj.name];
        var changedIndex = this.fieldIndexes[obj.name];
        var child = this.child(obj);
    
            if(child == null)
        {
            return;
        }
        if(obj.type == "select-one")
        {
            if(child.options!=null)
            {
                child.options.length=0;
            }
            if(obj.options!=null && obj.options.length>0 && obj.selectedIndex>=0)
            {
                var o = obj.options[obj.selectedIndex];
                this.populateChild(o.DOLOption,child,usePreselected);
                this.selectChildOptions(child,usePreselected);
            }
        }
        else if(obj.type == "select-multiple")
        {
            var currentlySelectedOptions = new Array();
            if(!usePreselected)
            {
                for(var i=0;i<child.options.length;i++)
                {
                    var co = child.options[i];
                    if(co.selected)
                    {
                        this.addNewOptionToList(currentlySelectedOptions, co.text, co.value, co.defaultSelected);
                    }
                }
            }
            child.options.length=0;
            if(obj.options!=null)
            {
                var obj_o = obj.options;
                for(var i=0;i<obj_o.length;i++)
                {
                    if(obj_o[i].selected)
                    {
                        this.populateChild(obj_o[i].DOLOption,child,usePreselected);
                    }
                }
                        var atLeastOneSelected = false;
                if(!usePreselected)
                {
                    for(var i=0;i<child.options.length;i++)
                    {
                        var m = this.findMatchingOptionInArray(currentlySelectedOptions,child.options[i].text,child.options[i].value,true);
                        if(m!=null)
                        {
                            child.options[i].selected = true;atLeastOneSelected = true;
                        }
                    }
                }
                if(!atLeastOneSelected)
                {
                    this.selectChildOptions(child,usePreselected);
                }
            }
        }
            this.change(child,usePreselected);
    }

    function DOL_populateChild(dolOption,childSelectObj,usePreselected)
    {
        if(dolOption!=null && dolOption.options!=null)
        {
            for(var j=0;j<dolOption.options.length;j++)
            {
                var srcOpt = dolOption.options[j];
                if(childSelectObj.options==null)
                {
                    childSelectObj.options = new Array();
                }
                var duplicate = false;
                var preSelectedExists = false;
                for(var k=0;k<childSelectObj.options.length;k++)
                {
                    var csi = childSelectObj.options[k];
                    if(csi.text==srcOpt.text && csi.value==srcOpt.value)
                    {
                        duplicate = true;break;
                    }
                }
                if(!duplicate)
                {
                    var newopt = new Option(srcOpt.text, srcOpt.value, false, false);
                    newopt.selected = false;
                    newopt.defaultSelected = false;
                    newopt.DOLOption = srcOpt;
                    childSelectObj.options[childSelectObj.options.length] = newopt;
                }
            }
        }
    }

    function DOL_selectChildOptions(obj,usePreselected)
    {
        var values = this.values[obj.name];
        var preselectedExists = false;
        if(usePreselected && values!=null && typeof(values)!="undefined")
        {
            for(var i=0;i<obj.options.length;i++)
            {
                var v = obj.options[i].value;
                if(v!=null && values[v]!=null && typeof(values[v])!="undefined")
                {
                    preselectedExists = true;
                    break;
                }
            }
        }

        var atLeastOneSelected = false; 
       for(var i=0;i<obj.options.length;i++)
        {
            var o = obj.options[i];
            if(preselectedExists && o.value!=null && values[o.value]!=null && typeof(values[o.value])!="undefined")
            {
                o.selected = true;
                atLeastOneSelected = true;
            }
            else if(!preselectedExists && o.DOLOption!=null && o.DOLOption.defaultSelected)
            {
                o.selected = true;
                atLeastOneSelected = true;
            }
            else
            {
                o.selected = false;
            }
        }
        if(this.selectFirstOption && !atLeastOneSelected && obj.options.length>0)
        {
            obj.options[0].selected = true;
        }
        else if(!atLeastOneSelected &&  obj.type=="select-one")
        {
            obj.selectedIndex = -1;
        }
    }

 function put_it()
 {
		var w = document.serviceSpareParts.TYPE.selectedIndex;
		txt = document.serviceSpareParts.TYPE.options[w].text;
		value = document.serviceSpareParts.TYPE.options[w].value;
		resultBox = document.getElementById("Results");
		document.serviceSpareParts.Result.options[resultBox.options.length] = new Option(txt,value);
	}

	function remove_it() {
		resultBox = document.getElementById("Results");
		if ( resultBox.selectedIndex > -1 ) {
			document.serviceSpareParts.Result.options[resultBox.options.selectedIndex] = null;
		}
	}


	function resetResult() {
		resultBox = document.getElementById("Results");
		resultBox.options.length = 0;
	}