function display_disappear(display,disappear)
{
	if(display)
	{
		document.getElementById(display).style.display='block';
	}
	if(disappear)
	{
		document.getElementById(disappear).style.display='none';
	}
}

function trim(mystr){
	while ((mystr.indexOf(" ")==0) && (mystr.length>1)){
		mystr=mystr.substring(1,mystr.length);
	}//去除前面空格
	while ((mystr.lastIndexOf(" ")==mystr.length-1)&&(mystr.length>1)){
		mystr=mystr.substring(0,mystr.length-1);
	}//去除后面空格
	if (mystr==" "){
	mystr="";
	}
	return mystr;
}

function choose(choose_id,id,disappear)
{
	var choose_value = document.getElementById(choose_id).innerHTML;
	//choose_value = trim(choose_value);
	document.getElementById(id).value = choose_value;
	if(disappear)
	{
		document.getElementById(disappear).style.display='none';
	}
}

function give(value,id,disappear)
{
	document.getElementById(id).value = value;
	if(disappear)
	{
		document.getElementById(disappear).style.display='none';
	}
}

function pass(fid,sid,disappear)
{
	var pass_value = document.getElementById(fid).value;
	document.getElementById(sid).value = pass_value;
	if(disappear)
	{
		document.getElementById(disappear).style.display='none';
	}
}

function expand(c,e)
{
 	document.getElementById(e).style.display='block';
	document.getElementById(c).style.display='none';
}

function page(id)
{
	document.getElementById('page_id').value = id;
	document.getElementById("hotel-price-form").submit();
}