function titleover(obj) {
	if(obj.className=="bt2"){
		obj.className = "bt2";
	}}
function titleout(obj) { 
	if(obj.className!=""&&obj.className!=null)
	obj.className = "bt2";
} 
function blockError(){return true;}
window.onerror = blockError;

function chksearch(chk,key){
var chk=document.getElementById(chk);
var key=key;
var isck=false;
if(chk.key.value.length!=0&&chk.key.value!='SEARCH')
 {
	//return true;
	isck=true;
  }
else
 {
  window.alert("Please enter keywords!");
  chk.key.focus();
  isck=false
  //return false;
  }
  if(isck==true){
  chk.submit();
  }
}