function userAgentEnvAlert(){var isOldIE=detectOldIeBrowser()}function detectOldIeBrowser(){var isOldIE=false;var msg='';var browser=navigator.appName;var b_version=navigator.appVersion;var version=parseFloat(b_version);if((browser=="Microsoft Internet Explorer")&&!(b_version.search("MSIE 7")!=-1||b_version.search("MSIE 8")!=-1)){isOldIE=true;msg='Dear visitor, <strong>Your Internet Explorer version is out of date.</strong><br/>This website is designed for version 7 and above. Please upgrade your browser to newest version from <a href="http://www.microsoft.com/windows/Internet-explorer/default.aspx">Official Microsoft Website</a>.<br />After installation, just restart your browser and open the website again. Thank you'}if(isOldIE){document.write('<div class="systemMsg" >'+msg+'</div>')}return isOldIE}function mainPage(){this.bodyOnLoad=function(){}}function setContentScrollHeightByColumn(){var mycustomscroll2=document.getElementById('mycustomscroll2');if(!mycustomscroll2){return false}yPos=mycustomscroll2.offsetTop;var layoutBody=document.getElementById('layoutBody');layoutBodyHeight=layoutBody.offsetHeight-70;mycustomscroll2.style.height=layoutBodyHeight+'px'}function getObjectPosition(obj){var curleft=0;var curtop=0;if(obj.offsetParent){do{curleft+=obj.offsetLeft;curtop+=obj.offsetTop}while(obj=obj.offsetParent)}return[curleft,curtop]}function showImgPNG(imgID,backImgURL){var img=document.getElementById(imgID);var isIE=navigator.userAgent.indexOf('MSIE');if(isIE<0){img.style.backgroundImage="url('"+backImgURL+"')"}else{}img.style.backgroundRepeat='no-repeat';img.style.filter='progid:DXImageTransform.Microsoft.AlphaImageLoader(src="'+backImgURL+'", sizingMethod="crop")'}function tourSearchBarText(){var fieldContents=document.getElementById('search-code-field').value;if(fieldContents=='Quick Search by Tour Code'){document.getElementById('search-code-field').value=''}else if(fieldContents==''){document.getElementById('search-code-field').value='Quick Search by Tour Code'}}