function gradient(id, level)
{
	var box = document.getElementById(id);
	box.style.opacity = level;
	box.style.MozOpacity = level;
	box.style.KhtmlOpacity = level;
	box.style.filter = "alpha(opacity=" + level * 100 + ")";
	box.style.display="block";
	return;
}


function fadein(id) 
{
	var level = 0;
	while(level <= 1)
	{
		setTimeout( "gradient('" + id + "'," + level + ")", (level* 1000) + 10);
		level += 0.01;
	}
}


// Open the lightbox


function openbox(formtitle, fadin)
{
  var box = document.getElementById('box'); 
  document.getElementById('filter').style.display='block';

  var btitle = document.getElementById('boxtitle');
  //btitle.innerHTML = formtitle;
  if(fadin)
  {
	 gradient("box", 0);
	 fadein("box");
  }
  else
  { 	
    box.style.display='block';
  }  	
}


// Close the lightbox

function closebox()
{
   document.getElementById('box').style.display='none';
   document.getElementById('filter').style.display='none';
}

function calc()
{
	var one_way="";
	//alert(document.getElementById('trip_is[0]').value);
	for(i=0;i<2;i++){
		if(document.req_quet.trip_is[i].checked==true){
			 one_way=document.req_quet.trip_is[i].value;
		}
	}
	
	if(one_way=='Round Trip'){
		document.getElementById('round_trip').style.display='block';
	}else{
		document.getElementById('round_trip').style.display='none';
	}
}

function validate(frm)
{
		//alert("jj");
	if(RTrim(frm.name.value)=="")
	{
		alert("Please enter your name.");
		frm.name.focus();
		return false;
	}
	if(frm.type_limo.value=="")
	{
		alert("Please Select Limo Types.");
		frm.type_limo.focus();
		return false;
	}
	return true;
}