<!--
function popup(page,w,h){ //?????????
var width=screen.width;
var height=screen.height;
var arg;
l=(width-w)/2;
t=(height-h)/2;
if (width>w && height>h) arg="top="+t+",left="+l+",";
win=window.open (page,"", arg+"height="+h+", width="+w+",toolbar=no, menubar=no, scrollbars=yes , resizable=no, location=no, status=no");
}

function isWhitespace (s){ 
	var whitespace = " \t\n\r";
	var i;
	for (i = 0; i < s.length; i++){ 
		var c = s.charAt(i);
		if (whitespace.indexOf(c) >= 0){
			return true;
		}
	}
}

function jtrim(sstr)   //去掉左右空格
{
var astr="";
var dstr="";
var flag=0;
for (i=0;i<sstr.length;i++)
{if ((sstr.charAt(i)!=' ')||(flag!=0)) 
{dstr+=sstr.charAt(i);
flag=1;
}
}
flag=0;
for (i=dstr.length-1;i>=0;i--)
{if ((dstr.charAt(i)!=' ')||(flag!=0)) 
{astr+=dstr.charAt(i);
flag=1;
}
}
dstr="";
for (i=astr.length-1;i>=0;i--) dstr+=astr.charAt(i);
return dstr;
} 

function countlen(s){   //计算实际长度
var j=0;
  for (var i=0; i<s.length; i++)

  {

      if (s.charCodeAt(i) > 255) j = j + 2;

      else j++
  }
  return j;
}

function ChkData(formname,chkboxname,alertmsg,formaction){
/*
formname:???;
chkboxname:??????????????
alertmsg:??????????????
formaction:?????????
*/
	for(var i=0;i<formname.elements.length;i++){
		var e = formname.elements[i];
		if (e.name == chkboxname){
			if (e.checked){
				if(confirm('确定吗？')){
					formname.action=formaction;
					formname.submit();
				}
			return(false);
			}
		} 
	}
    alert(alertmsg);
    return(false);
}  
  
function CheckAll(formname,chkboxname,chkallboxname) 
/*
formname:???(form1...);
chkboxname:??????????????('del'...)
chkallboxname:??????(form1.chkall...)
*/
{
	for (var i=0;i<formname.elements.length;i++)
    {
    	var e = formname.elements[i];
	    if (e.name == chkboxname)
    	e.checked = chkallboxname.checked;
    }
}


var fileURL=""
var IsPicOK = false

function CheckPicFile(){
	var filepath=add.pic_file.value;
	if(filepath!=fileURL){
		ShowIMG.innerHTML = "<img name=MyIMG  src='file:\\" + filepath + "'>"
		fileURL = filepath;
		window.setTimeout("ChangePicSize()",200)
	}
	window.setTimeout("CheckPicFile()",200)
}

function ChangePicSize(){
	var W = document.all("MyIMG").width
	var H = document.all("MyIMG").height
	if(W<1&&H<1){
		alert("?????????????.")
		IsPicOK = false
	}
	else{
		IsPicOK = true
		if(H>130) document.all("MyIMG").height = 130
		if(document.all("MyIMG").width>300){
		document.all("MyIMG").width = 300
		}
	}
}

function goaction(confirmmsg,formname,url)
{
	if (confirm(confirmmsg)){
		formname.action=url;
		formname.submit();
	}
	return false;
}

//******************************用于控制照片按比例显示******************************
function DrawImage(ImgD,w,h)
{  
	var image=new Image(); 
	image.src=ImgD.src;  
	if(image.width>0 && image.height>0){  
	    flag=true;  
	    if(image.width/image.height>= w/h){  
    		if(image.width>w){    
    			ImgD.width=w;  
    			ImgD.height=(image.height*w)/image.width;  
    		}else{  
    			ImgD.width=image.width;    
    			ImgD.height=image.height;  
    		}  
    	}  
    else{  
    	if(image.height>h){    
    		ImgD.height=h;  
    		ImgD.width=(image.width*h)/image.height;       
    	}else{  
    		ImgD.width=image.width;    
    		ImgD.height=image.height;  
    		}  
	
		} 
	return(ImgD);
	}  

return (ImgD);
} 
//-->