function BrowserDetectLite(){var ua=navigator.userAgent.toLowerCase();this.ua=ua;this.isGecko=(ua.indexOf("gecko")!=-1);this.isMozilla=(this.isGecko&&ua.indexOf("gecko/")+14==ua.length);this.isNS=((this.isGecko)?(ua.indexOf("netscape")!=-1):((ua.indexOf("mozilla")!=-1)&&(ua.indexOf("spoofer")==-1)&&(ua.indexOf("compatible")==-1)&&(ua.indexOf("opera")==-1)&&(ua.indexOf("webtv")==-1)&&(ua.indexOf("hotjava")==-1)));this.isIE=((ua.indexOf("msie")!=-1)&&(ua.indexOf("opera")==-1)&&(ua.indexOf("webtv")==-1));this.isOpera=(ua.indexOf("opera")!=-1);this.isKonqueror=(ua.indexOf("konqueror")!=-1);this.isIcab=(ua.indexOf("icab")!=-1);this.isAol=(ua.indexOf("aol")!=-1);this.isWebtv=(ua.indexOf("webtv")!=-1);this.isOmniweb=(ua.indexOf("omniweb")!=-1);this.isDreamcast=(ua.indexOf("dreamcast")!=-1);this.isIECompatible=((ua.indexOf("msie")!=-1)&&!this.isIE);this.isNSCompatible=((ua.indexOf("mozilla")!=-1)&&!this.isNS&&!this.isMozilla);this.versionMinor=parseFloat(navigator.appVersion);if(this.isNS&&this.isGecko){this.versionMinor=parseFloat(ua.substring(ua.lastIndexOf("/")+1));}else{if(this.isIE&&this.versionMinor>=4){this.versionMinor=parseFloat(ua.substring(ua.indexOf("msie ")+5));}else{if(this.isOpera){if(ua.indexOf("opera/")!=-1){this.versionMinor=parseFloat(ua.substring(ua.indexOf("opera/")+6));}else{this.versionMinor=parseFloat(ua.substring(ua.indexOf("opera ")+6));}}else{if(this.isKonqueror){this.versionMinor=parseFloat(ua.substring(ua.indexOf("konqueror/")+10));}else{if(this.isIcab){if(ua.indexOf("icab/")!=-1){this.versionMinor=parseFloat(ua.substring(ua.indexOf("icab/")+6));}else{this.versionMinor=parseFloat(ua.substring(ua.indexOf("icab ")+6));}}else{if(this.isWebtv){this.versionMinor=parseFloat(ua.substring(ua.indexOf("webtv/")+6));}}}}}}this.versionMajor=parseInt(this.versionMinor);this.geckoVersion=((this.isGecko)?ua.substring((ua.lastIndexOf("gecko/")+6),(ua.lastIndexOf("gecko/")+14)):-1);this.isWin=(ua.indexOf("win")!=-1);this.isWin32=(this.isWin&&(ua.indexOf("95")!=-1||ua.indexOf("98")!=-1||ua.indexOf("nt")!=-1||ua.indexOf("win32")!=-1||ua.indexOf("32bit")!=-1));this.isMac=(ua.indexOf("mac")!=-1);this.isUnix=(ua.indexOf("unix")!=-1||ua.indexOf("linux")!=-1||ua.indexOf("sunos")!=-1||ua.indexOf("bsd")!=-1||ua.indexOf("x11")!=-1);this.isNS4x=(this.isNS&&this.versionMajor==4);this.isNS40x=(this.isNS4x&&this.versionMinor<4.5);this.isNS47x=(this.isNS4x&&this.versionMinor>=4.7);this.isNS4up=(this.isNS&&this.versionMinor>=4);this.isNS6x=(this.isNS&&this.versionMajor==6);this.isNS6up=(this.isNS&&this.versionMajor>=6);this.isIE4x=(this.isIE&&this.versionMajor==4);this.isIE4up=(this.isIE&&this.versionMajor>=4);this.isIE5x=(this.isIE&&this.versionMajor==5);this.isIE55=(this.isIE&&this.versionMinor==5.5);this.isIE5up=(this.isIE&&this.versionMajor>=5);this.isIE6x=(this.isIE&&this.versionMajor==6);this.isIE6up=(this.isIE&&this.versionMajor>=6);this.isIE7x=(this.isIE&&this.versionMahor==7);this.isIE7up=(this.isIE&&this.versionMajor>=7);this.isIE4xMac=(this.isIE4x&&this.isMac);}var browser=new BrowserDetectLite();var pngNormal;if((browser.isIE55||browser.isIE6x)&&browser.isWin32){pngNormal=false;}else{if((browser.isIE7up&&browser.isWin)||(browser.isGecko)||(browser.isIE5up&&browser.isMac)||(browser.isOpera&&browser.isWin&&browser.versionMajor>=6)||(browser.isOpera&&browser.isUnix&&browser.versionMajor>=6)||(browser.isOpera&&browser.isMac&&browser.versionMajor>=5)||(browser.isOmniweb&&browser.versionMinor>=3.1)||(browser.isIcab&&browser.versionMinor>=1.9)||(browser.isWebtv)||(browser.isDreamcast)){pngNormal=true;}else{pngNormal=false;}}if(pngNormal==true){document.styleSheets[1].disabled=true;}