function xLeft(e,iX)
{if(!(e=xGetElementById(e)))return 0;var css=xDef(e.style);if(css&&xStr(e.style.left)){if(xNum(iX))e.style.left=iX+'px';else{iX=parseInt(e.style.left);if(isNaN(iX))iX=xGetComputedStyle(e,'left',1);if(isNaN(iX))iX=0;}}
else if(css&&xDef(e.style.pixelLeft)){if(xNum(iX))e.style.pixelLeft=iX;else iX=e.style.pixelLeft;}
return iX;}