function tabit(btn){
	var idname = new String(btn.id);
	var s = idname.indexOf("_");
	var e = idname.lastIndexOf("_")+1;
	var tabName = idname.substr(0, s);
	var id = parseInt(idname.substr(e, 1));
	var tabNumber = btn.parentNode.childNodes.length;
	for(i=0;i<tabNumber;i++){
			document.getElementById(tabName+"_div_"+i).style.display = "none";
			document.getElementById(tabName+"_btn_"+i).className = "";
		};
		document.getElementById(tabName+"_div_"+id).style.display = "block";
		btn.className = "curr";
};

/* pro */
var step = 30;
function prorgt(){
	while(document.getElementById("proccc").scrollLeft < 425){
		document.getElementById("proccc").scrollLeft = document.getElementById("proccc").scrollLeft+step;
	}
	document.getElementById("proccc").scrollLeft = 425;
	document.getElementById("srbtn").style.backgroundImage = "url(skin/xtbg/images/righta.gif)";
	document.getElementById("slbtn").style.backgroundImage = "url(skin/xtbg/images/leftb.gif)";
};
function prolft(){
	while(document.getElementById("proccc").scrollLeft>0){
		document.getElementById("proccc").scrollLeft = document.getElementById("proccc").scrollLeft-step;
	}
	document.getElementById("proccc").scrollLeft = 0;
	document.getElementById("srbtn").style.backgroundImage = "url(skin/xtbg/images/rightb.gif)";
	document.getElementById("slbtn").style.backgroundImage = "url(skin/xtbg/images/lefta.gif)";
};