function MM_reloadPage(init) {  //reloads the window if Nav4 resized
  if (init==true) with (navigator) {if ((appName=="Netscape")&&(parseInt(appVersion)==4)) {
    document.MM_pgW=innerWidth; document.MM_pgH=innerHeight; onresize=MM_reloadPage; }}
  else if (innerWidth!=document.MM_pgW || innerHeight!=document.MM_pgH) location.reload();
}

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_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_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 getLength(str) {
    var i;
    var len;
    len = 0;
    for (i=0;i<str.length;i++) {
        if (str.charCodeAt(i)>255) {
			len+=2;  
		} else{
			len++;
		}
    }
    return len;
}

function checkNum(tocheck) {
    var isnum = true;
    if (tocheck == null || tocheck == "") {
        isnum = false;
        return isnum;
    }
    for (var j = 0 ; j < tocheck.length; j++) {
        if(tocheck.substring(j, j + 1) != "0"
            &&   tocheck.substring(j, j + 1) != "1"
            &&   tocheck.substring(j, j + 1) != "2"
            &&   tocheck.substring(j, j + 1) != "3"
            &&   tocheck.substring(j, j + 1) != "4"
            &&   tocheck.substring(j, j + 1) != "5"
            &&   tocheck.substring(j, j + 1) != "6"
            &&   tocheck.substring(j, j + 1) != "7"
            &&   tocheck.substring(j, j + 1) != "8"
            &&   tocheck.substring(j, j + 1) != "9") {
            isnum = false;
        }
    }
    return isnum;
}

function checkChar(text) {
    var alpha = 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ';
    var numeric = '1234567890';
    var allStr = alpha + numeric;
    var i ;
    for (i = 0; i < text.length; i++)  {
        if (allStr.indexOf(text.substring(i, i+1)) < 0) {
            break;
        }
    }
    if (i != text.length) {
        return false;
    } else {
        return true;
    }
    return true;
}

function checkEmail(email) {
    var email_1 = "";
    var email_2 = "";
    var check_point = 0;
    if (email.indexOf("@") < 0 ) {
        return false;
    }
    if (email.indexOf(".") < 0 ) {
        return false;
    }
    if (email.indexOf("'") >= 0 ) {
        return false;
    }
    if (email.indexOf("|") >= 0 ) {
        return false;
    }
    if (email.indexOf(">") >= 0 ) {
        return false;
    }
    if (email.indexOf("<") >= 0 ) {
        return false;
    }
    if (email.indexOf(" ") >= 0 ) {
        return false;
    }
    for (var j = 0 ; j < email.length; j++) {
        if ( email.substring(j, j + 1) != "@"  && check_point == 0 ) {
            email_1 = email_1 + email.substring(j, j + 1)
        } else if ( email.substring(j, j + 1) == "@" )  {
            check_point = check_point + 1;
        } else {
            email_2 = email_2 + email.substring(j, j + 1);
        }
    }
    if (check_point > 1 ) {
        return false;
    }
    if(email_2.indexOf("(") >= 0 ) {
        return false;
    }
    if(email_2.indexOf("(") >= 0 ) {
        return false;
    }
    if(email_2.indexOf(")") >= 0 ) {
        return false;
    }
    if(email_2.indexOf(",") >= 0 ) {
        return false;
    }
    if(email_2.indexOf(";") >= 0 ) {
        return false;
    }
    if(email_2.indexOf(":") >= 0 ) {
        return false;
    }
    if(email_2.indexOf("/") >= 0 ) {
        return false;
    }
    if(email_2.indexOf("[") >= 0 ) {
        return false;
    }
    if(email_2.indexOf("]") >= 0 ) {
        return false;
    }
    if (email_2.indexOf("{") >= 0 ) {
        return false;
    }
    if (email_2.indexOf("}") >= 0 ) {
        return false;
    }
    if (email_2.indexOf(" ") >= 0 ) {
        return false;
    }
    return true;
}


String.prototype.trim= function()  
{   
    return this.replace(/(^\s*)|(\s*$)/g, "");  
}

function openSubWin(url, width, height) {
	var date = new Date();
	var subWinName = date.getHours().toString() 
		+ date.getMinutes().toString() 
		+ date.getSeconds().toString() 
		+ date.getMilliseconds().toString();
		
	if (height > screen.availHeight) {
		height = screen.availHeight;
	}
	
	if (width > screen.availWidth) {
		width = screen.availWidth;
	}

	var top = (screen.availHeight - height) / 2;
	if (top < 0) {
		top = 0;
	}
	var left = (screen.availWidth - width) / 2;
	if (left < 0) {
		left = 0;
	}
	
	var subWin = window.open(url, subWinName, 
		"status=no,scrollbars=yes,resizable=yes,scrolling=yes,width=" + width + ",height=" + height + ",top=" + top + ",left=" + left);
	subWin.focus();
	return subWin;
}

function openDialog(url, width, height) {
	if (!width) {
		width = 1024;
	}
	
	if (!height) {
		height = 768;
	}
	return showModalDialog(url, null,
					"status:no;dialogWidth:" + width + "px;dialogHeight:" + height + "px");
}

function openChat() {
	var newWindow = window.open('http://chat8.live800.com/live800/chatClient/chatbox.jsp?companyID=69061&configID=76558&jid=2382262977&enterurl=http%3A%2F%2Flocalhost%3A6094%2F520eastday%2FDefault%2Easpx', 'chatbox69061', 'toolbar=0,scrollbars=0,location=0,statusbar=0,menubar=0,resizable=0,width=570,height=424');
	newWindow.focus();
	newWindow.opener=window;void(0);
}

String.prototype.trim= function()  
{  
    // 用正则表达式将前后空格  
    // 用空字符串替代。  
    return this.replace(/(^\s*)|(\s*$)/g, "");  
}

String.prototype.replaceAll = stringReplaceAll;
function stringReplaceAll(AFindText,ARepText){
	raRegExp = new RegExp(AFindText, "g");
	return this.replace(raRegExp, ARepText);
}