var currentpos,timer; 
function initialize(){timer=setInterval("scrollwindow()",16);} 
function sc(){clearInterval(timer);} 
function scrollwindow()
{ 
	currentpos=document.body.scrollTop; 
	window.scroll(0,++currentpos); 
	if (currentpos != document.body.scrollTop) 
	sc(); 
} 
document.onmousedown=sc 
document.ondblclick=initialize

function runCode()

{
  var code=event.srcElement.parentElement.children[0].value;
  var newwin=window.open('','','');
  newwin.opener = null;
  newwin.document.write(code);
  newwin.document.close();

}

function doComment(){
	var o=document.getElementById('PostComment');
	if(o.style.display=='none'){
		o.style.display='block';
		o.author.focus();
	}else
		o.style.display='none';
}
function fitSize(o){
	if(o.width>screen.width-333) {
		o.width=screen.width-333;
		//by janlay of 5D.CN
		o.outerHTML="<a href="+o.src+" target=_blank><img src="+o.src+" width="+(screen.width-333)+" alt=单击查看完整图像 border=0></a>"
	}
}


function getCookie(Name) {
   var search = Name + "=";
   if(document.cookie.length > 0) {
      offset = document.cookie.indexOf(search);
      if(offset != -1) {
         offset += search.length;
         end = document.cookie.indexOf(";", offset);
         if(end == -1) end = document.cookie.length;
         return unescape(document.cookie.substring(offset, end));
      }
      else return('');
   }
   else return('');
}

function setCookie(name,value) {
   var today = new Date();
   var expires = new Date();
   expires.setTime(today.getTime() + 1000*60*60*24*365);
   document.cookie = name + "=" + escape(value) + ";path=/"+"; expires=" + expires.toGMTString();
}

function transUnit(name, value) {
	switch (name) {
		case "temp":
			returnvalue = Math.round((5/9)*(value-32));
		break;
		case "wind":
			returnvalue = value*1.609334;
		break;
		case "pres":
			returnvalue = value*3386.389;
		break;
		case "visb":
			returnvalue = value*1.609334;
		break;
	}	
	return Math.round(returnvalue);	
}

function CheckOthers(form){
	for (var i=0;i<form.elements.length;i++){
		var e = form.elements[i];
		if(e.type=='checkbox'){
			if (e.checked==false) e.checked = true;
			else e.checked = false;
		}
	}
}

function CheckAll(form){
	for (var i=0;i<form.elements.length;i++){
		var e = form.elements[i];
		if(e.type=='checkbox') e.checked = true;
	}
}