function isValidPlayerSearchQuery(formName, isMastheadForm) {
	var formObj=document.forms[formName];
	var queryValue=formObj.elements["q"].value;
	if (queryValue.length==0 || queryValue==DEFAULT_PLAYER_SEARCH_VALUE) {
		if (!isMastheadForm) {
			alert("Please enter a search term first, then try again.");
		}
		return false;
	}
	if (queryValue.length<2) {
		alert("Please enter at least two letters of the player's last name and try again.");
		formObj.elements["q"].focus();
		return false;
	}	
	// permitted chars: letters, spaces, dashes, apostrophes
	var okChars="abcdefghijklmnopqrstuvwxyz";
	okChars+=okChars.toUpperCase()+" -'";
	for (var i=0; i<queryValue.length; i++) {
		var currChar=queryValue.charAt(i);
		if (okChars.indexOf(currChar)==-1) {
			alert("Your player-search query may contain only letters, spaces, dashes, and apostrophes. Please try again.");
			formObj.elements["q"].focus();
			return false;
		}
	}
	return true;
}

// Search Submit Function
function validateSearchText() {
	if( document.hdr_search.query_text1.value == "" || document.hdr_search.query_text1.value == "Search" ) {
         alert('Please enter search keyword'); 
         return false; 
    } else { 
         return true;
    }
}
function searchBoxOnclick(textboxObj) {
	if (textboxObj.value==DEFAULT_PLAYER_SEARCH_VALUE) {
		textboxObj.value="";
	}
}