function che_search() 
{
			
			var filter = /^([a-zA-Z0-9_\.\-])+\@(([a-zA-Z0-9\-])+\.)+([a-zA-Z0-9]{2,4})+$/;

			if(document.getElementById("ptype").value=="")
			{
				document.getElementById("error").innerHTML = 'Choose Property type';
				document.getElementById("ptype").focus();
				return false;
			}
			
			if(document.getElementById("plo").value=="")
			{
				document.getElementById("error").innerHTML = 'Choose Location';
				document.getElementById("plo").focus();
				return false;
			}

		
			if(document.getElementById("sr").value=="")
			{
				document.getElementById("error").innerHTML = 'Choose Sale or Rent';
				document.getElementById("sr").focus();
				return false;
			}
						
}

function che_key() 
{

			if(document.getElementById("key").value=="")
			{
				document.getElementById("error1").innerHTML = 'Put the word';
				document.getElementById("key").focus();
				return false;
			}
}





function checkAll(field)
{
  for(i = 0; i < field.elements.length; i++)
     field[i].checked = true ;
}

function uncheckAll(field)
{
 for(i = 0; i < field.elements.length; i++)
    field[i].checked = false ;
}