function cleartext(obj,txtvalue)
{
	if(obj.value==txtvalue)
		obj. value='';
}

function validate_search(frmObj,searchObj)
{
	var search_value=trim(searchObj.value);
	searchObj.value=search_value;
	if(search_value=='')
	{
		alert('Skrifiš minnst 4 stafi fyrir leit');
	}
	else if(search_value.length > 3 && search_value!='Leita' && search_value!='Search')
		frmObj.submit();
	else
	{
		alert('Skrifiš minnst 4 stafi fyrir leit');
	}
}

function trim(s)
{ 
	//This function returns the trimmed string
	return s.replace(/^\s+|\s+$/g,'')
}