function bw_check()

in tapestry-framework/src/org/apache/tapestry/form/DatePicker.js [968:990]

• 23 lines of code
• 29 McCabe index (conditional complexity)

function bw_check()
{
    var is_major = parseInt( navigator.appVersion );
    this.nver = is_major;
    this.ver = navigator.appVersion;
    this.agent = navigator.userAgent;
    this.dom = document.getElementById ? 1 : 0;
    this.opera = window.opera ? 1 : 0;
    this.ie5 = ( this.ver.indexOf( "MSIE 5" ) > -1 && this.dom && !this.opera ) ? 1 : 0;
    this.ie6 = ( this.ver.indexOf( "MSIE 6" ) > -1 && this.dom && !this.opera ) ? 1 : 0;
    this.ie4 = ( document.all && !this.dom && !this.opera ) ? 1 : 0;
    this.ie = this.ie4 || this.ie5 || this.ie6;
    this.mac = this.agent.indexOf( "Mac" ) > -1;
    this.ns6 = ( this.dom && parseInt( this.ver ) >= 5 ) ? 1 : 0;
    this.ie3 = ( this.ver.indexOf( "MSIE" ) && ( is_major < 4 ) );
    this.hotjava = ( this.agent.toLowerCase().indexOf( 'hotjava' ) != -1 ) ? 1 : 0;
    this.ns4 = ( document.layers && !this.dom && !this.hotjava ) ? 1 : 0;
    this.bw = ( this.ie6 || this.ie5 || this.ie4 || this.ns4 || this.ns6 || this.opera );
    this.ver3 = ( this.hotjava || this.ie3 );
    this.opera7 = ( ( this.agent.toLowerCase().indexOf( 'opera 7' ) > -1 ) || ( this.agent.toLowerCase().indexOf( 'opera/7' ) > -1 ) );
    this.operaOld = this.opera && !this.opera7;
    return this;
};