function disableBtn(btnID, newText) {
    //Page_IsValid = null; 
    if (typeof (Page_ClientValidate) == 'function') { 
        //Page_ClientValidate(); alert('here');
        if (Page_ClientValidate() == false) {
            return false;
        }
        }
    var btn = document.getElementById(btnID); var isValidationOk = Page_IsValid; if (navigator.appName !== 'Microsoft Internet Explorer') { EnableOnUnload(btnID, btn.value); }
    if (isValidationOk !== null) {
        if (isValidationOk) { btn.disabled = true; btn.value = newText; btn.style.background = "url(images/ajax-loader.gif)"; }
        else { btn.disabled = false; } 
    }
    else { setTimeout("setImage('" + btnID + "')", 10); btn.disabled = true; btn.value = newText; } 
}
function setImage(btnID) { var btn = document.getElementById(btnID); btn.style.background = 'url(images/ajax-loader.gif)'; }
function EnableOnUnload(btnID, btnText) { window.onunload = function() { var btn = document.getElementById(btnID); btn.disabled = false; btn.value = btnText; } }

var BrowserDetect={init:function(){this.browser=this.searchString(this.dataBrowser)||"An unknown browser";this.version=this.searchVersion(navigator.userAgent)||this.searchVersion(navigator.appVersion)||"an unknown version";this.OS=this.searchString(this.dataOS)||"an unknown OS";},searchString:function(data){for(var i=0;i<data.length;i++){var dataString=data[i].string;var dataProp=data[i].prop;this.versionSearchString=data[i].versionSearch||data[i].identity;if(dataString){if(dataString.indexOf(data[i].subString)!=-1)
return data[i].identity;}
else if(dataProp)
return data[i].identity;}},searchVersion:function(dataString){var index=dataString.indexOf(this.versionSearchString);if(index==-1)return;return parseFloat(dataString.substring(index+this.versionSearchString.length+1));},dataBrowser:[{string:navigator.userAgent,subString:"Chrome",identity:"Chrome"},{string:navigator.userAgent,subString:"OmniWeb",versionSearch:"OmniWeb/",identity:"OmniWeb"},{string:navigator.vendor,subString:"Apple",identity:"Safari",versionSearch:"Version"},{prop:window.opera,identity:"Opera"},{string:navigator.vendor,subString:"iCab",identity:"iCab"},{string:navigator.vendor,subString:"KDE",identity:"Konqueror"},{string:navigator.userAgent,subString:"Firefox",identity:"Firefox"},{string:navigator.vendor,subString:"Camino",identity:"Camino"},{string:navigator.userAgent,subString:"Netscape",identity:"Netscape"},{string:navigator.userAgent,subString:"MSIE",identity:"Explorer",versionSearch:"MSIE"},{string:navigator.userAgent,subString:"Gecko",identity:"Mozilla",versionSearch:"rv"},{string:navigator.userAgent,subString:"Mozilla",identity:"Netscape",versionSearch:"Mozilla"}],dataOS:[{string:navigator.platform,subString:"Win",identity:"Windows"},{string:navigator.platform,subString:"Mac",identity:"Mac"},{string:navigator.userAgent,subString:"iPhone",identity:"iPhone/iPod"},{string:navigator.platform,subString:"Linux",identity:"Linux"}]};