var frmact = new Array();
var frmnm = new Array();
var frmid = new Array();
frmact[0] = "http://www.cu520.com/m/class.asp?class=3";
frmact[1] = "http://www.baidu.com/baidu";
frmact[2] = "http://image.baidu.com/i";
frmact[3] = "http://mp3.baidu.com/m";


frmnm[0] = "µçÓ°";
frmnm[1] = "ÍøÒ³";
frmnm[2] = "ͼƬ";
frmnm[3] = "MP3";


frmid[0] = "1";
frmid[1] = "2";
frmid[2] = "3";
frmid[3] = "4";




var sts = '';
var si = sts && sts.split(/(%3b)|;/i)[0];
var defid =1;

var ch = "";
var chParam = ch ? '&ch=' + ch : '';

//new
function changetab(idx) 
{
	for (i=0;i<frmact.length;i++) {
		if (i==idx) {document.getElementById('sitem_'+i).className="chon";}
			else {document.getElementById('sitem_'+i).className="ch";}
	}
}

//if (frmid[0] == "1") {var bd_idx=1;}else{var bd_idx=0;}
var bd_idx=defid;

for (var i = frmid.length - 1; i >= 0; i--) {
	if (frmid[i] == defid) {
		bd_idx = i;
	}
}

function bd_chg_idx(idx)
{
 bd_idx=idx;
 //new
 changetab(idx);
}

function addhiddenEle(parentEle, childEleName, childEleValue)
{
	for (var i=0; i < childEleName.length; i++) {
		 var ur = document.createElement("input");   
		  ur.type = "hidden";   
		  ur.name = childEleName[i];   
		  ur.value = childEleValue[i]; 
		  parentEle.appendChild(ur); 
	}
}

function removeallhiddenEle(parentEle)
{
	 for (var i = parentEle.length - 1; i >= 0; i--) {
    var childEle = parentEle.elements[i];
		if(childEle.type == "hidden"){
			childEle.parentNode.removeChild(childEle);
		}
	}
}

function gowhere(formname)
{
 var url;
 var idx = bd_idx;
 if (frmact[idx] == null || frmact[idx] == "")  idx = "0";
 url = frmact[idx];

 removeallhiddenEle(formname);

 switch(frmid[idx]){
	case "1":
		var childEleName = new Array();
		var childEleValue = new Array();

		childEleName[0] = "class";
		childEleValue[0] = "3";
	

		addhiddenEle(formname, childEleName, childEleValue);

		formname.word.name = "q";

		break;


	case "2":
		var childEleName = new Array();
		var childEleValue = new Array();

		childEleName[0] = "tn";
		childEleValue[0] = "zuiyu_pg";

		if (ch) {
			childEleName.push('ch');
			childEleValue.push(ch);
		}	

		addhiddenEle(formname, childEleName, childEleValue);

		formname.word.name = "word";

		break;


	case "3":
		var childEleName = new Array();
		var childEleValue = new Array();

		childEleName[0] = "ct";
		childEleValue[0] = "201326592";

		childEleName[1] = "lm";
		childEleValue[1] = "-1";

		childEleName[2] = "cl";
		childEleValue[2] = "2";

		addhiddenEle(formname, childEleName, childEleValue);

		formname.word.name = "word";

		break;



	case "4":
		var childEleName = new Array();
		var childEleValue = new Array();

		childEleName[0] = "ct";
		childEleValue[0] = "134217728";

		childEleName[1] = "lm";
		childEleValue[1] = "-1";

		addhiddenEle(formname, childEleName, childEleValue);

		formname.word.name = "word";

		break;


	default:
		return false;
 }

 formname.action = url;
 return true;
}