function version() {
   if(navigator.userAgent.indexOf("MSIE")>0)return 1;;
   if(isFirefox=navigator.userAgent.indexOf("Firefox")>0)return 2;;
   if(isSafari=navigator.userAgent.indexOf("Safari")>0)return 3;;   
   if(isCamino=navigator.userAgent.indexOf("Camino")>0)return 4;;
   if(isMozilla=navigator.userAgent.indexOf("Gecko/")>0)return 5;;
   return 0;
}
function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}



function goPage(objTurnPage)
{

	if (document.forms['sysrequery']){
		if (isNaN(objTurnPage)){
			document.forms['sysrequery'].formCurrentPageNumber.value = document.getElementById(objTurnPage).value;
		}
		else
			document.forms['sysrequery'].formCurrentPageNumber.value = parseInt(document.forms['sysrequery'].formCurrentPageNumber.value) + parseInt(objTurnPage);
			
			
			document.forms['sysrequery'].submit();
	}
	return true;
}

function getAbsTop(obj) {
	var mytop=obj.offsetTop; 	
	while(obj=obj.offsetParent) {
		mytop+=obj.offsetTop; 
	}
	return mytop;
}

function getAbsLeft(obj) {	
	var myleft=obj.offsetLeft;
	while(obj=obj.offsetParent){
		myleft+=obj.offsetLeft;
	}
	return myleft;
}

String.prototype.getQueryString = function(name)
{
　　var reg = new RegExp("(^|&)"+ name +"=([^&]*)(&|$)");
　　var r = this.substr(this.indexOf("\?")+1).match(reg);
　　if (r!=null) return unescape(r[2]); return '';
}

function clearbill(obj) {
	if (obj.value == '-请输入订单号-')
	{
		obj.value = '';
	}
}

function resetbill(obj) {
	if (obj.value == '')
	{
		obj.value = '-请输入订单号-';
	}
}

function showPNG(picObj, picFile, h, w) {
	//显示图片
	if (version() == 1) {
		var s= '<div style=\'filter: progid:DXImageTransform.Microsoft.AlphaImageLoader(enabled=true, sizingMethod=scale, src="' +
				picFile + '");background:none;width:' + w +';height:' + h + '\'></div>'
		picObj.innerHTML = s;
	}else {
		picObj.innerHTML = '<img src="' + picFile + '" width=' + w +' height=' + h + ' border=0 >';
	}
}

//图片按比例缩放

var flag=false;
function JeffImage(ImgD,iwidth,iheight){
	//参数(图片,允许的宽度,允许的高度)
	var image=new Image();
	image.src=ImgD.src;
	if(image.width>0 && image.height>0){
		flag=true;
		if(image.width/image.height>= iwidth/iheight){
		if(image.width>iwidth){
		ImgD.width=iwidth;
		ImgD.height=(image.height*iwidth)/image.width;
		}else{
		ImgD.width=image.width;
		ImgD.height=image.height;
		}
		ImgD.alt=image.width+"×"+image.height;
		}
		else{
		if(image.height>iheight){
		ImgD.height=iheight;
		ImgD.width=(image.width*iheight)/image.height;
		}else{
		ImgD.width=image.width;
		ImgD.height=image.height;
		}
		ImgD.alt=image.width+"×"+image.height;
		}
	}
}

function requestServer(url) {
	var jsid = 'requestserver';
	var jselm = document.getElementById(jsid);
	var loadjs;
	if(jselm) {
		jselm.parentNode.removeChild(jselm);
	}
	loadjs = document.createElement('script');
	loadjs.language = 'javascript';
	loadjs.id= jsid;
	loadjs.src = url;
	document.body.appendChild(loadjs);
	window.status = 'getting...';
}

function reExecJS(jsid) {
	var jssrc = document.getElementById(jsid);
	var jsparent = null;
	var jstext = '';
	if(jssrc) {
		jsparent = jssrc.parentNode;
		jstext = jssrc.text;
	}else{
		return false;
	}
	var jssrc2 = document.createElement('script');
	jssrc2.language = 'javascript';
	jssrc2.id= jsid;
	jssrc2.text = jstext;
	jsparent.appendChild(jssrc2);
	return true;
}

var io = {
	_str:'',
	write:function(s){
		io._str = io._str + s;
	},
	read:function() {
		return io._str;
	},
	close:function() {
		io._str = '';;
	}
}