listbox.js

OA.....其他人不需帐号就可自由下载此源码其他人不需帐号就可自由下载此源码

// JavaScript Document
function moveLeft() {
	var left = $("lslt");
	var right = $("rslt");
	var ids = new Array();
	for(var i=0;i<right.options.length;i++) {
		var temp = right.options[i];
		if(temp.selected) {
			ids[ids.length] = temp.index;
			var op = document.createElement("option");
			op.setAttribute("value",temp.value);
			op.appendChild(document.createTextNode(temp.text));
			left.appendChild(op);
		}
	}
	for(var i=0;i<ids.length;i++) {
		var temp = right.options[ids[i]-i];	//if moved,option's length changed
		right.removeChild(temp);
	}
	if(right.options[0]!=null)
		right.options[0].selected = true;
}
function moveRight() {
	var left = $("lslt");
	var right = $("rslt");
	var ids = new Array();
	for(var i=0;i<left.options.length;i++) {
		var temp = left.options[i];
		if(temp.selected) {
			ids[ids.length] = temp.index;
			var op = document.createElement("option");
			op.setAttribute("value",temp.value);
			op.appendChild(document.createTextNode(temp.text));
			right.appendChild(op);
		}
	}
	for(var i=0;i<ids.length;i++) {
		var temp = left.options[ids[i]-i];	//if moved,option's length changed
		left.removeChild(temp);
	}
	if(left.options[0]!=null)
		left.options[0].selected = true;
}
function moveAllLeft() {
	var left = $("lslt");
	var right = $("rslt");
	for(var i=0;i<right.options.length;i++) {
		var temp = right.options[i];
		var op = document.createElement("option");
		op.setAttribute("value",temp.value);
		op.appendChild(document.createTextNode(temp.text));
		left.appendChild(op);
	}
	right.length = 0;
}
function moveAllRight() {
	var left = $("lslt");
	var right = $("rslt");
	for(var i=0;i<left.options.length;i++) {
		var temp = left.options[i];
		var op = document.createElement("option");
		op.setAttribute("value",temp.value);
		op.appendChild(document.createTextNode(temp.text));
		right.appendChild(op);
	}
	left.length = 0;
}
function dumpSelect(flag) {
	var slt = null;
	if(flag==null || flag=="left") {
		slt = $("lslt");
	}else{
		slt = $("rslt");
	}
	var values = "";
	for(var i=0;i<slt.options.length;i++) {
		var temp = slt.options[i];
		if(i==0)
			values = temp.value;
		else
			values = values+","+temp.value;
	}
	return values;
}
function moveSel(moveOne) {   
	var right = $("rslt");
    if(right.selectedIndex < 0)   
  		return;   
    
    if(moveOne < 0) {   
  		if(right.selectedIndex == 0)   
  			return;   
    }   
    else {   
  		if(right.selectedIndex == right.options.length-1)   
  			return;   
    }   
        
    var opt = right.options[right.selectedIndex];   
  	var otheropt = right.options[right.selectedIndex+moveOne];   
    var text = opt.text;   
    var value = opt.value;   
    opt.text = otheropt.text;   
    opt.value = otheropt.value;   
    otheropt.text=text;   
    otheropt.value = value;   
    right.selectedIndex+= moveOne;   
}