function changeSelects()
{
list=document.tripSearch.regions.options[document.tripSearch.regions.selectedIndex].value
listtext=document.tripSearch.regions.options[document.tripSearch.regions.selectedIndex].text

if (list==0)
{
document.tripSearch.cities.length=2

document.tripSearch.cities.selectedIndex = 0
document.tripSearch.cities.options[0].text = "All Cities"
document.tripSearch.cities.options[0].value =0


}

if (list==1)
{

document.tripSearch.cities.length=2
document.tripSearch.cities.options[0].text = "All of " + listtext
document.tripSearch.cities.options[1].text = "Istanbul"
document.tripSearch.cities.options[0].value = 0
document.tripSearch.cities.options[1].value = 1


document.tripSearch.cities.selectedIndex = 0

}

if (list==2)
{
document.tripSearch.cities.length=3

document.tripSearch.cities.options[0].text = "All of " + listtext
document.tripSearch.cities.options[1].text = "Izmir"
document.tripSearch.cities.options[2].text = "Bodrum"
document.tripSearch.cities.options[0].value = 0
document.tripSearch.cities.options[1].value = 2
document.tripSearch.cities.options[2].value = 3


document.tripSearch.cities.selectedIndex = 0

}

if (list==3)
{
document.tripSearch.cities.length=2

document.tripSearch.cities.options[0].text = "All of " + listtext
document.tripSearch.cities.options[1].text = "Antalya"
document.tripSearch.cities.options[0].value =0
document.tripSearch.cities.options[1].value = 4

document.tripSearch.cities.selectedIndex = 0
}

if (list==4)
{
document.tripSearch.cities.length=2
document.tripSearch.cities.options[0].text = "All of " + listtext
document.tripSearch.cities.options[1].text = "Ankara"
document.tripSearch.cities.options[0].value = 0
document.tripSearch.cities.options[1].value = 5

document.tripSearch.cities.selectedIndex = 0
}

}