JavaScript - Click Function Problem..

function codeAddress() {
    var address = document.getElementById("address").value;
    geocoder.geocode( { 'address': address}, function(results, status) {
      if (status == google.maps.GeocoderStatus.OK) {
        map.setCenter(results[0].geometry.location);
		map.setZoom(10);
      } else {
        alert("City was not found: " + status);
      }
    });
  }

var Dom = {
	get: function(el) 
	{
		if (typeof el === 'string')
			return document.getElementById(el);
		else
			return el;
	},
	add: function(el, dest) 
	{
		var el = this.get(el);
		var dest = this.get(dest);
		dest.appendChild(el);
	},
	remove: function(el) 
	{
		var el = this.get(el);
		if(el.parentNode != null)
			el.parentNode.removeChild(el);
	}
};

var Event = {
	add: function() 
	{
		if (window.addEventListener) 
		{
			return function(el, type, fn) 
			{
		  		Dom.get(el).addEventListener(type, fn, false);
			};
	  	} 
		else if (window.attachEvent) 
		{
			return function(el, type, fn) 
			{
		  		var f = function() 
				{
					fn.call(Dom.get(el), window.event);
		  		};
		  		Dom.get(el).attachEvent('on' + type, f);
			};
	  	}
	}()
};

var created_area_array = Array();
var createdarea_index = 0;
var number_of_areas_saved=0;
var currently_renaming=false;
  
Event.add(window, 'load', function()
{
	Event.add('SubmitArea', 'click', function() 
	{
		if(polyPoints.length>0)
			add_created_area();
	});	
});

function add_created_area()
{
	number_of_areas_saved++;
	var area_el = document.createElement('span');
	var area_el_remove = document.createElement('span');
	var area_el_rename = document.createElement('span');
	var new_entry = polyPoints;
	var new_entry_array_index = "Area" + (createdarea_index);
	var new_entry_array_name = "Area #" + (createdarea_index+1);
	area_el.innerHTML = '<span class=\"address-text\">' + new_entry_array_name + '</span><br>';
	
	area_el_remove.innerHTML = "<a onMouseOver=\"rollover('address_remove')\" onMouseOut=\"rollout('address_remove')\" style='cursor:pointer;'>" +
	"<img src=\"images/tabs-icons/normal-address_remove.png\" name='address_remove' title='remove' alt='remove'></a>&nbsp;";
	
	area_el_rename.innerHTML = "<a onMouseOver=\"rollover('area_rename')\" onMouseOut=\"rollout('area_rename')\" style='cursor:pointer;'>" +
	"<img src=\"images/tabs-icons/normal-area_rename.png\" name='area_rename' title='rename' alt='rename'></a>&nbsp;";
	
	created_area_array[new_entry_array_index] = new_entry;
	createdarea_index++;
	
	Dom.add(area_el_remove, 'CreatedAreas');
	Dom.add(area_el_rename, 'CreatedAreas');
	Dom.add(area_el, 'CreatedAreas');
	Event.add(area_el, 'click', function(e) 
	{
		if(!currently_renaming)
		{
			polyPoints = [];
			var thePolyPoints = (created_area_array[new_entry_array_index]).toString();
			
			alert(thePolyPoints);
			
			//formatting created_area_array[new_entry_array_index] to store as polygon points in the polyPoints array
			thePolyPoints = thePolyPoints.replace(/[\[\]{}]/g, "");
			thePolyPoints = thePolyPoints.replace(/Location/g, "");
			
			//adding the co-ordinates to the polyPoints array
			thePolyPoints = thePolyPoints.split(",");		
			for(var ctr=0; ctr+1<thePolyPoints.length; ctr+=2)
			{
				var location1 = new Microsoft.Maps.Location(thePolyPoints[ctr],thePolyPoints[ctr+1]);
				polyPoints.push(location1);
			}
			
			var out="";
			for(var i=0; i<polyPoints.length; i++)
			{
				out += polyPoints[i] + " ";
			}
			alert(out);
			
			//creating the polygon and searching...
			if(create_area==true)
			{
				drawPolygon();	
				polygonSearch();
			}
			else if(create_area==false)
			{
				document.getElementById('createarea').innerHTML = "<a id='createarea'><span class='create_area' style='color:blue'><strong>Create Area</strong></span></a>";
				document.getElementById("mapDiv").oncontextmenu = function(){return false}
				MouseUpHandlerId = Microsoft.Maps.Events.addHandler(map, "mouseup",MouseUpHandler);
				MouseDownHandlerId = Microsoft.Maps.Events.addHandler(map, "mousedown",MouseDownHandler);
				MouseMoveHandlerId = Microsoft.Maps.Events.addHandler(map, "mousemove",MouseMoveHandler);
				MouseOverHandlerId = Microsoft.Maps.Events.addHandler(map, "mouseover",MouseOverHandler);
				drawPolygon();	
				polygonSearch();
				create_area=true;
			}			
		}
	});
	Event.add(area_el_remove, 'click', function(e) 
	{
		Dom.remove(this);
		Dom.remove(area_el_rename);
		Dom.remove(area_el);
		if(number_of_areas_saved>1)
			number_of_areas_saved--;
	});
	Event.add(area_el_rename, 'click', function(e) 
	{
		if(!currently_renaming)
		{
			area_el.innerHTML = '<textarea name=\"renaming_area\" id=\"renaming_area\" style=\"width:200px;height:10px;background-color:#DCDCDC; resize:none;font-size:8px;\" onKeyPress=\"return enter_rename(area_el, event)\" maxlength=\"30\"></textarea><br>';
			currently_renaming=true;
		}
	});
	Event.add("createdarea_clear", 'click', function(e)
	{
		Dom.remove(area_el_remove);
		Dom.remove(area_el_rename);
		Dom.remove(area_el);
		created_area_array = [];
		number_of_areas_saved=0;
		createdarea_index=0;
	});
}

function enter_rename(area_el, event)
{	
	var keyPressed = (event.which) ? event.which : event.keyCode;
	var current_str = document.getElementById("renaming_area").value;
	if(keyPressed == 13)
	{
		if(current_str.length>0)
		{
			if(allSpaces(current_str)==true)
			{
				alert("Please enter a meaningful area name.");
				return false;
			}
			else
			{
				area_el.innerHTML = '<span class=\"address-text\">' + current_str + '</span><br>';
				currently_renaming=false;
				return true;	
			}
		}
		else
			return false;
	}
	else
		return true;
}