check for transparency was not correct

git-svn-id: http://svn.openlayers.org/trunk/openlayers@932 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf

lib/OpenLayers/Layer/WMS/Untiled.js

@@ -107,8 +107,6 @@ OpenLayers.Layer.WMS.Untiled.prototype =
      */
     moveTo:function(bounds, zoomChanged, minor) {
 
-        
-
         if (!minor) {
         
             if (bounds == null) {
@@ -132,7 +130,7 @@ OpenLayers.Layer.WMS.Untiled.prototype =
             
             // update div
             var img = this.imgDiv;
-            if (this.transparent) {
+            if (this.params.TRANSPARENT == 'true') {
                 OpenLayers.Util.modifyAlphaImageDiv(this.imgDiv, 
                                                     null, 
                                                     pos, 
@@ -206,7 +204,7 @@ OpenLayers.Layer.WMS.Untiled.prototype =
         var pos = this.map.getLayerPxFromViewPortPx(tl);
         
         //create div
-        if (this.transparent) {
+        if (this.params.TRANSPARENT == 'true') {
             this.imgDiv = OpenLayers.Util.createAlphaImageDiv(null,
                                                               pos,
                                                               size,