var selects = document.getElementsByTagName('select');

var isIE = (document.all && window.ActiveXObject && !window.opera) ? true : false;

function stopBubbling (ev) {
	ev.stopPropagation();
}

function rSelects() {
	for (i=0;i<selects.length;i++){
		if(selects[i].style.display =='none'){
			continue;
		}
		rSelectItem(i)
	}

	if (document.getElementById("mainbody"))
	{
		document.getElementById("mainbody").onclick = function(){
			for (i=0;i<selects.length;i++){	
				document.getElementById('select_info_' + selects[i].name).className = 'tag_select';
				document.getElementById('options_' + selects[i].name).style.display = 'none';
			}
		}
	}
}

function rSelectItem(i){
	selects[i].style.display = 'none';
	select_tag = document.createElement('div');
	select_tag.id = 'select_' + selects[i].name;
	select_tag.className = 'select_box';
	selects[i].parentNode.insertBefore(select_tag,selects[i]);

	select_info = document.createElement('div');
	select_info.id = 'select_info_' + selects[i].name;
	select_info.className='tag_select';
	select_info.style.cursor='pointer';
	select_tag.appendChild(select_info);

	select_ul = document.createElement('ul');
	select_ul.id = 'options_' + selects[i].name;
	select_ul.className = 'tag_options';
	select_ul.style.position='absolute';
	select_ul.style.display='none';
	select_ul.style.zIndex='999';
	select_tag.appendChild(select_ul);

	rOptions(i,selects[i].name);
	mouseSelects(selects[i].name);

	if (isIE){
		selects[i].onclick = new Function("clickLabels3('"+selects[i].name+"');window.event.cancelBubble = true;");
	}
	else if(!isIE){
		selects[i].onclick = new Function("clickLabels3('"+selects[i].name+"')");
		selects[i].addEventListener("click", stopBubbling, false);
	}
	
	var tmpRP = document.getElementById('resideprovince');
	var tmpRC = document.getElementById("options_residecity");
	if(tmpRP && tmpRC){
		if(tmpRP.value==''){
			tmpRC.style["height"]="24px";
		}else{
			tmpRC.style["height"]="";
		}
	}
}


function rOptions(i, name) {
	var options = selects[i].getElementsByTagName('option');
	var options_ul = 'options_' + name;
	for (n=0;n<selects[i].options.length;n++){
		option_li = document.createElement('li');
		option_li.style.cursor='pointer';
		option_li.className='open';
		document.getElementById(options_ul).appendChild(option_li);

		option_text = document.createTextNode(selects[i].options[n].text);
		option_li.appendChild(option_text);

		option_selected = selects[i].options[n].selected;

		if(option_selected){
			option_li.className='open_selected';
			option_li.id='selected_' + name;
			document.getElementById('select_info_' + name).appendChild(document.createTextNode(option_li.innerHTML));
		}

		option_li.onmouseover = function(){	this.className='open_hover';}
		option_li.onmouseout = function(){
			if(this.id=='selected_' + name){
				this.className='open_selected';
			}
			else {
				this.className='open';
			}
		}

		option_li.onclick = new Function("clickOptions("+i+","+n+",'"+selects[i].name+"');");
		//twoCity('"+name+"');
	}
}

function mouseSelects(name){
	var sincn = 'select_info_' + name;

	document.getElementById(sincn).onmouseover = function(){ if(this.className=='tag_select') this.className='tag_select_hover'; }
	document.getElementById(sincn).onmouseout = function(){ if(this.className=='tag_select_hover') this.className='tag_select'; }

	if (isIE){
		document.getElementById(sincn).onclick = new Function("clickSelects('"+name+"');window.event.cancelBubble = true;");
	}
	else if(!isIE){
		document.getElementById(sincn).onclick = new Function("clickSelects('"+name+"');");
		document.getElementById('select_info_' +name).addEventListener("click", stopBubbling, false);
	}

}

function clickSelects(name){
	var sincn = 'select_info_' + name;
	var sinul = 'options_' + name;

	for (i=0;i<selects.length;i++){
		if(selects[i].name == name){
			if( document.getElementById(sincn).className =='tag_select_hover'){
				document.getElementById(sincn).className ='tag_select_open';
				document.getElementById(sinul).style.display = '';
			}
			else if( document.getElementById(sincn).className =='tag_select_open'){
				document.getElementById(sincn).className = 'tag_select_hover';
				document.getElementById(sinul).style.display = 'none';
			}
		}
		else{
			document.getElementById('select_info_' + selects[i].name).className = 'tag_select';
			document.getElementById('options_' + selects[i].name).style.display = 'none';
		}
	}
}

function clickOptions(i, n, name){

	var li = document.getElementById('options_' + name).getElementsByTagName('li');

	document.getElementById('selected_' + name).className='open';
	document.getElementById('selected_' + name).id='';
	li[n].id='selected_' + name;
	li[n].className='open_hover';
	document.getElementById('select_' + name).removeChild(document.getElementById('select_info_' + name));

	select_info = document.createElement('div');
	select_info.id = 'select_info_' + name;
	select_info.className='tag_select';
	select_info.style.cursor='pointer';
	document.getElementById('options_' + name).parentNode.insertBefore(select_info,document.getElementById('options_' + name));

	mouseSelects(name);

	document.getElementById('select_info_' + name).appendChild(document.createTextNode(li[n].innerHTML));
	document.getElementById( 'options_' + name ).style.display = 'none' ;
	document.getElementById( 'select_info_' + name ).className = 'tag_select';
	selects[i].options[n].selected = 'selected';
	//激活城市
	if(name=="resideprovince"){
		document.getElementById("residecity").style.display='';
		deleteFilterRule('select_residecity')
		setcity('resideprovince', 'residecity');
		rSelectItem(2);
		document.getElementById("residecity").style.display='none';
	}

}

function deleteFilterRule(nodeId){
	var nodeDelete=document.getElementById(nodeId);
	var nodeParent=nodeDelete.parentNode;
	nodeParent.removeChild(nodeDelete);
}