2297     var valueT = 0, valueL = 0;  variable
2299       valueT += element.offsetTop  || 0;
2303     return Element._returnOffset(valueL, valueT);
2307     var valueT = 0, valueL = 0;  variable
2309       valueT += element.offsetTop  || 0;
2318     return Element._returnOffset(valueL, valueT);
2360     var valueT = 0, valueL = 0;  variable
2362       valueT += element.scrollTop  || 0;
2366     return Element._returnOffset(valueL, valueT);
2381     var valueT = 0, valueL = 0;  variable
2385       valueT += element.offsetTop  || 0;
2396         valueT -= element.scrollTop  || 0;
2401     return Element._returnOffset(valueL, valueT);
2768     var valueT = 0, valueL = 0;
2770       valueT += element.offsetTop  || 0;
2778     return Element._returnOffset(valueL, valueT);