scores = new Array(20);
var numTotal=0;
NS4 = (document.layers) ? 1 : 0;
IE4 = (document.all) ? 1 : 0;
ver4 = (NS4 || IE4) ? 1 : 0;
if (ver4) {    
	with (document) {
		write("<STYLE TYPE='text/css'>");
		if (NS4) {
			write(".parent {position:absolute; visibility:visible}");
			write(".child {position:absolute; visibility:visible}");
			write(".regular {position:absolute; visibility:visible}")
		} else {
			write(".child {display:none}")
		}
		write("</STYLE>");
	}
}

function getIndex(el) {
	ind = null;
	for (i=0; i<document.layers.length; i++) {
		whichEl = document.layers[i];
		if (whichEl.id == el) {
			ind = i;
			break;
		}
	}
	return ind;
}

function arrange() {
	nextY = document.layers[firstInd].pageY +document.layers[firstInd].document.height;
	for (i=firstInd+1; i<document.layers.length; i++) {
		whichEl = document.layers[i];
		if (whichEl.visibility != "hide") {
			whichEl.pageY = nextY;
			nextY += whichEl.document.height;
		}
		
	}
}

function initIt(){

	if (!ver4) return;
	if (IE4) {
		for(i=1;i<=numTotal;i++){
			whichEl = eval(scores[i] + "Child");
				whichEl.style.display = "none";
			}
		}
else {
		for(i=1;i<=numTotal;i++){
			whichEl = eval("document." + scores[i] + "Child");
				whichEl.visibility = "hide";
		
		arrange();
	}
}
}

function expandIt(el) {
	if (!ver4) return;
	if (IE4) {
		whichEl1 = eval(el + "Child");
		for(i=1;i<=numTotal;i++){
			whichEl = eval(scores[i] + "Child");
			if(whichEl!=whichEl1) {
				whichEl.style.display = "none";
			}
		}
		whichEl1 = eval(el + "Child");
		if (whichEl1.style.display == "none") {
			whichEl1.style.display = "block";
		} else {
			whichEl1.style.display = "none";
		}
	} else {
		whichEl = eval("document." + el + "Child");
		for(i=1;i<=numTotal;i++){
			whichEl = eval("document." + scores[i] + "Child");
			if(whichEl!=whichEl1) {
				whichEl.visibility = "hide";
			}
		}
		if (whichEl.visibility == "hide") {
			whichEl.visibility = "show";
		} else {
			whichEl.visibility = "hide";
		}
		arrange();
	}
}

function makebyhuangqin(el) {
if (!ver4) return;
	if (IE4) {
		whichEl1 = eval(el + "Child");
		for(i=1;i<=numTotal;i++){
			whichEl = eval(scores[i] + "Child");
			if(whichEl!=whichEl1) {
				whichEl.style.display = "none";
			}
		}
		whichEl1 = eval(el + "Child");
		whichEl1.style.display ="block";
		
	} else {
		whichEl = eval("document." + el + "Child");
		for(i=1;i<=numTotal;i++){
			whichEl = eval("document." + scores[i] + "Child");
			if(whichEl!=whichEl1) {
				whichEl.visibility = "hide";
			}
		}
	  whichEl.visibility = "hide";
		arrange();
	}
    }