<!-- 
// copyright Tom Denise 1999-2000
// Athens Greece
function checkrequired(which) {
var pass=true;
if (document.images) {
for (i=0;i<which.length;i++) {
var tempobj=which.elements[i];
if 
(
tempobj.name=="a"||"c"||"d"||"D"||"n"||"o"||"e"||"K"||"k"||"p"||"q"||"r"||"s"||"S"||"t"||"W"||"M"
)

{
if (( (tempobj.type=="text")&&tempobj.value=='')) {
pass=false;
break;
}
}
}
}
if (!pass) {
alert("Please enter a word or phrase\n in the search box\n before submitting your query.");
return false;
}
else
return true;
}

//  -->