function getOffset(el){var _x=0;var _y=0;while(el&&!isNaN(el.offsetLeft)&&!isNaN(el.offsetTop)){_x+=el.offsetLeft-el.scrollLeft;_y+=el.offsetTop-el.scrollTop;el=el.parentNode;}
return{top:_y,left:_x};}
function f_scrollLeft(){return f_filterResults(window.pageXOffset?window.pageXOffset:0,document.documentElement?document.documentElement.scrollLeft:0,document.body?document.body.scrollLeft:0);}
function f_scrollTop(){return f_filterResults(window.pageYOffset?window.pageYOffset:0,document.documentElement?document.documentElement.scrollTop:0,document.body?document.body.scrollTop:0);}
function f_filterResults(n_win,n_docel,n_body){var n_result=n_win?n_win:0;if(n_docel&&(!n_result||(n_result>n_docel)))
n_result=n_docel;return n_body&&(!n_result||(n_result>n_body))?n_body:n_result;}