阿良的小站

var i = new Image;
i.onload = function(){
  console.log('success,width:%i,height:%i', this.width, this.height);
}
i.onerror = function(){
  console.log('fail');
}
i.src = 'http://m327.mail.qq.com/zh_CN/htmledition/images/logo/logo_min_0.gif';
//i.src = 'error';

function Select(posStart, posEnd) {
	var posStart = parseInt(posStart) || 0;
	var posEnd = parseInt(posEnd) || 0;
	var input = document.getElementById("myText");
	if(posStart > posEnd){  //在Chrome中试了，End要比Start大
		var tmp = posStart;
		posStart = posEnd;
		posEnd = tmp;
	}
	if ('selectionStart' in input) {
		input.selectionStart = posStart;//选择的开始位置 0 为最左
		input.selectionEnd = posEnd;  //选择结束的位置
		input.focus();
	}
	else { // Internet Explorer before version 9
		var inputRange = input.createTextRange();
		inputRange.moveStart("character", posStart);//选择开始
		inputRange.collapse();
		inputRange.moveEnd("character", posEnd);  //选择结束
		inputRange.select();
	}
}

//new Date(CP[X][0]).toString()		CP[X][1]
//"Fri Jan 04 2008 16:00"		6283
//"Mon Oct 20 2008 15:00"		7254
//"Sun Dec 20 2037 16:00"		10996
//"Sun Jan 17 2038 16:00"		43008
//"Wed Jan 02 3456 15:00"		1.7976931348623157e+308
function updateQuota() {
  if (!quota_elem) {
    return;
  }
  var now = (new Date()).getTime();
  var i;
  for (i = 0; i < CP.length; i++) {
    if (now < CP[i][0]) {
      break;
    }
  }
  if (i == 0) {
    setTimeout(updateQuota, 1000);
  } else if (i == CP.length) {
    quota_elem.innerHTML = CP[i - 1][1];
  } else {
    var ts = CP[i - 1][0];
    var bs = CP[i - 1][1];
    quota_elem.innerHTML = format(((now - ts) / (CP[i][0] - ts) * (CP[i][1] - bs)) + bs);
    setTimeout(updateQuota, 1000);
  }
}