function priceSwitch() {
	if (document.getElementById('quickSearch').rent[0].checked==false)
		{
		if (document.getElementById('minPrice').value.replace(/[^0-9.]/g,'')=='50000')
			{
			document.getElementById('minPrice').value=unescape('%A3') + '450';
			}
		if (document.getElementById('maxPrice').value.replace(/[^0-9.]/g,'')=='250000')
			{
			document.getElementById('maxPrice').value=unescape('%A3') + '500';
			}
		}
	else if (document.getElementById('quickSearch').rent[1].checked==false)
		{
	 	if (document.getElementById('minPrice').value.replace(/[^0-9.]/g,'')=='450')
			{
			document.getElementById('minPrice').value=unescape('%A3') + '50,000';
			}
		if (document.getElementById('maxPrice').value.replace(/[^0-9.]/g,'')=='500')
			{
			document.getElementById('maxPrice').value=unescape('%A3') + '250,000';
			}
		}
	}
	
function validate() {
	document.getElementById('minPrice').value=document.getElementById('minPrice').value.replace(/[^0-9.]/g,'');
	document.getElementById('maxPrice').value=document.getElementById('maxPrice').value.replace(/[^0-9.]/g,'');
/* disable fields so that their values are not passed through when not in use?
	if (document.getElementById('sale').checked==true)
		{
		document.getElementById('sale').disabled=true;
		document.getElementById('rent').disabled=true;
		}
	if (document.getElementById('location').selectedIndex==0)
		{
		document.getElementById('location').disabled=true;
		}
	if (document.getElementById('minPrice').value.length==0)
		{
		document.getElementById('minPrice').disabled=true;
		}
	if (document.getElementById('maxPrice').value.length==0)
		{
		document.getElementById('maxPrice').disabled=true;
		} */
	}