function validateGlobalSearchForm(formName){
switch(formName)
{
case "frmSearch":
if (isEmpty(document.frmSearch.qt.value)){
alert("Please enter a search keyword or phrase.");
frmSearch.qt.style.color = "red";
frmSearch.qt.focus();}
else{document.frmSearch.submit();}
break;
case "frmSearchAgain":
if (isEmpty(document.frmSearchAgain.qt.value)){
	alert("Please enter a search keyword or phrase.");
	frmSearchAgain.qt.style.color = "red";
	frmSearchAgain.qt.focus();}
else{document.frmSearchAgain.submit();}
break; }}