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//»ñÈ¡Ò»¸öÌض¨ÔªËصÄÑùʽÊôÐÔ
function getStyle(elem,name){
//Èç¹û¸ÃÊôÐÔ´æÔÚÓÚstyleÖÐ ÔòËû×î½ü±»ÉèÖùý
if(elem.style[name]){
return elem.style[name];
}
//·ñÔò³¢ÊÔIE·½·¨
else if(elem.currentStyle){
return elem.currentStyle[name];
//W3C·½·¨
}else if(document.defaultview && document.defaultView.getComputedStyle){
name=name.repalce("/([A-Z])/g","-$1");
name=name.toLowerCase();
var s = document.defaultView.getComputedStyle(elem,"");
return s && s.getPropertyValue(name);
}else{
return null;
}
}