function highlight(cell) { cell.bgColor = '#000000'; }
function revert(cell)    { cell.bgColor = '#31416B'; }

function clearsearch(thisfield) {
	if(thisfield.value=='Enter keywords here') thisfield.value='';
	else {
		if(thisfield.value=='') thisfield.value='Enter keywords here';
		}
}

// Validate form
function searchform(thisform) {
	if ((thisform.searchtext.value=='')||(thisform.searchtext.value=='Enter keywords here')){
		alert("Sorry, but you haven't entered any search keywords!"); return false; } else return true;
}