window.onload=function(){

	var element=document.getElementById("s");

 	element.onfocus=function(){ this.value=''; }

 	element.onblur=function() { this.value!="关键字.."&&this.value!='' ? this.value=this.value : this.value="关键字..";}

}

	

function picShow(fatherId,name){

	var demo=document.getElementById(fatherId);

	var aEle=demo.getElementsByTagName("a");

	var imgEle=demo.getElementsByTagName("img");

	for(var i=0;i<aEle.length;i++){

		aEle[i].href=imgEle[i].src.replace("s640","s800");	

		aEle[i].rel="lytebox[" + name+ "]";	

		aEle[i].title=imgEle[i].alt;	

	}

};



function runCode(pTargetId){

	var newWin=window.open('',"_blank",'');

	newWin.document.open('text/html','replace');

	newWin.opener=null

	var testCode=document.getElementById(pTargetId).value;

	newWin.document.write(testCode);

	newWin.document.close();

}



function addEvent(obj, evType, fn){ 

 if (obj.addEventListener){ 

   obj.addEventListener(evType, fn, false); 

   return true; 

 } else if (obj.attachEvent){ 

   var r = obj.attachEvent("on"+evType, fn); 

   return r; 

 } else { 

   return false; 

 } 

}



addEvent(window, 'load', initActions);

function initActions() {

	return initActionsRec(document.getElementsByTagName("code"), document.getElementsByTagName("code").length-1);

}



function initActionsRec(elements, i) {

	if(i < 0)

		return;

	else {

		var code = this.innerHTML;

		elements.item(i).style.cursor = "pointer";



		if(elements.item(i).onclick != null)

			return initActionsRec(elements,i-1);

		elements.item(i).onclick = function() { 

			eval(this.innerHTML.replace(/&amp;&amp;/,"&&")); 

			};

		return initActionsRec(elements,i-1);

	}

}