// JavaScript Document

function checkForm () {
	var text = document.search.query.value;
	if ( text.length > 0 ) {
		if (text.length > 3) {
         		  	document.search.action="/cgi/jsearch.pl"; 
         		  	document.search.submit(); 
                  	} else {
                     		document.search.query.focus();
                     		alert ("Your request should include at least three symbols."); 
                  	}
       	} else { 
              		document.search.query.focus();
              		alert ("Your search query is blank. Please enter a search term."); 
            	} 
 }

function setOverStyle (evt) {
	evt = (evt) ? evt : ((window.event) ? window.event : null);
	if (evt) {
		var elem =(evt.srcElement) ? evt.srcElement : evt.target;
		elem.className = "menuTopActive";
	}
}

function setOutStyle (evt) {
	evt = (evt) ? evt : ((window.event) ? window.event : null);
	if (evt) {
		var elem =(evt.srcElement) ? evt.srcElement : evt.target;
		elem.className = "menuTop";
	}
}

function  setColorRow(evt) {
  evt = (evt) ? evt : ((window.event) ? window.event : null);
  if (evt) {
     var elem =(evt.srcElement) ? evt.srcElement : evt.target;
     if (elem) {
     	var parent = elem.parentNode;
     	parent.className = "active";
     	}

  }

}

function  resetColorRow(evt) {
  evt = (evt) ? evt : ((window.event) ? window.event : null);
  if (evt) {
     var elem =(evt.srcElement) ? evt.srcElement : evt.target;
     if (elem) {
     	var parent = elem.parentNode;
     	parent.className = "basic";
     	}
  }

}