function Evt(evt){if(evt&&evt.x&&evt.source){this.evt=evt.evt;this.source=evt.source;this.x=evt.x;this.y=evt.y;this.key=evt.key;}else{this.evt=evt?evt:window.event;this.source=this.evt.target?this.evt.target:this.evt.srcElement;this.x=this.evt.pageX?this.evt.pageX:(this.evt.clientX+(document.documentElement.scrollLeft||document.body.scrollLeft));this.y=this.evt.pageY?this.evt.pageY:(this.evt.clientY+(document.documentElement.scrollTop||document.body.scrollTop));if(navigator&&navigator.vendor&&navigator.vendor.indexOf('Apple')==0){this.y=window.innerHeight-this.evt.pageY+document.body.scrollTop+16;}
if(!document.all)this.key=this.evt.which;else this.key=this.evt.keyCode;}}
Evt.prototype.toString=function(){return "Evt [ x = "+this.x+", y = "+this.y+" ]";};Evt.prototype.consume=function(){if(this.evt.stopPropagation){this.evt.stopPropagation();this.evt.preventDefault();}else if(this.evt.cancelBubble){this.evt.cancelBubble=true;this.evt.returnValue=false;}};Evt.addEventListener=function(target,type,func,bubbles){if(document.addEventListener){target.addEventListener(type,function(e){func(e);},bubbles);}else if(document.attachEvent){target.attachEvent("on"+type,function(e){func(e);},bubbles);}else{target["on"+type]=func;}};Evt.removeEventListener=function(target,type,func,bubbles){if(document.removeEventListener){target.removeEventListener(type,func,bubbles);}else if(document.detachEvent){target.detachEvent("on"+type,func,bubbles);}else{target["on"+type]=null;}};Evt.dispatchEvent=function(target,type,bubbles){if(document.createEvent){var e=document.createEvent("Events");e.initEvent(type,bubbles,false);}else if(document.createEventObject){var e=document.createEventObject();}else return;if(target.dispatchEvent)target.dispatchEvent(e);else if(target.fireEvent)target.fireEvent("on"+type,e);};var DHTML={setOpacity:function(node,val){if(node.filters){try{node.style.filter="alpha(opacity="+(val*100)+")";}catch(e){}}else{try{node.style.opacity=val;}catch(e){}
try{node.style.MozOpacity=val;}catch(e){}}},setElementSize:function(elmt,w,h){elmt.style["width"]=(w-5)+"px";elmt.style["height"]=(h-5)+"px";var dif_w=elmt.offsetWidth-(w-5);var dif_h=elmt.offsetHeight-(h-5);if(dif_w>0&&dif_w<100){elmt.style["width"]=(w-dif_w)+"px";}else{elmt.style["width"]=w+"px";}
if(dif_h>0&&dif_h<100){elmt.style["height"]=(h-dif_h)+"px";}else{elmt.style["height"]=h+"px";}},getSelectedText:function(){if(window.getSelection)return window.getSelection();else if(document.getSelection)return document.getSelection();else if(document.selection)return document.selection.createRange().text;else return;}};