function change_loc(name1,name2)
{
	myString = new String(window.location);
	if(name1=="")
	{
		nstr=window.location+'&sort_by='+name2
	}
	else
	{
		nstr = myString.replace(name1,name2);
	}
	window.location=nstr;
}


function dayname(m)
{
	switch(m)
	{
	       case 0:    i= "Sunday";
	      break;
	      case 1:   i= "Monday";
			break;
	      case 2:	  i= "Tuesday";
			break;
	      case 3:    i= "Wednesday";
			 break;
	      case 4:    i= "Thursday";
	      break;
	      case 5:    i= "Friday";
	      break;
	      case 6:    i= "Saturday";
	      break;
	     
	      default:	  i= " ";
	 }
	return(i)
}

function showdayname(day1,month1,year1,elmnt)
{
	var date1=new Date();
	date1.setFullYear(year1,month1,day1);
	document.getElementById(elmnt).innerHTML=dayname(date1.getDay());
	
}
function checkdays(mth,day,year)
{

switch(mth.value)
{

	case '4':
	case '6':
	case '9':
	case '11':				day.length=30;
							day.options[29]=new Option(30,30);
							break;
		case '2':		if ((year.value%4)==0)
						{
							
							day.length=29;
						}
						else
						{
						day.length=28;
						}
						break;
	
		default:	day.length=31;
					day.options[29]=new Option(30,30);
					day.options[30]=new Option(31,31);
					break;

}//switch


}//function

function checkdates()
{
	var datenow1=new Date();
	
	var fromday=document.getElementById("fromday").value;
	var frommonth=document.getElementById("frommonth").value;
	var fromyear=document.getElementById("fromyear").value;
	var fromdate=new Date()
	fromdate.setFullYear(fromyear,frommonth-1,fromday)

	var today=document.getElementById("today").value;
	var tomonth=document.getElementById("tomonth").value;
	var toyear=document.getElementById("toyear").value;
	var todate=new Date();
	todate.setFullYear(toyear,tomonth-1,today);
	if (fromdate>=todate)
	{
		alert("Please specify a departure date later than the arrival date");
		return false;
	}
	if ((fromdate<datenow1)||(todate<datenow1))
	{
		alert("Please specify future dates");
		return false;
	}
	else {
	document.searchresults.submit();
	}

}