var defaultPos = 0;
var scTabsLis = document.getElementById("sctab").getElementsByTagName("LI");
var scTabDivLisTmp = document.getElementById("sctabinfo").childNodes;
var scTabDivLis = new Array();
for(var i=0, len = scTabDivLisTmp.length; i < len; i++){
	divArr = scTabDivLisTmp[i];
	if(divArr.nodeName == "DIV")
		scTabDivLis[scTabDivLis.length] = divArr;
}

for(var i=0, len = scTabsLis.length; i < len; i++){
	liObj = scTabsLis[i];
	liObj.onclick = showTab(i);
}

function showTab(elmIndex){
	return function(){
		if(scTabDivLis[elmIndex]){
			scTabsLis[defaultPos].className = scTabsLis[defaultPos].className.replace("current","");
			this.className = this.className + " current";
			scTabDivLis[defaultPos].className = "tabcontent";
			scTabDivLis[elmIndex].className = "showcontent";
			defaultPos = elmIndex;
		}
	};
}