function fun_srch()
{

//document.form1.action="search.html?zoom_query="+document.form1.textfield.value;
//document.form1.submit();
if(document.form1.textfield.value=="")
{
alert("Please Enter a word to search");
return false;
}
else
{
window.location ="srch.asp?zoom_query="+document.form1.textfield.value;
//window.location ="search.html?zoom_query="+metal&zoom_sort=0;
}
}

function enter(event)
{
var evt = (evt) ? evt : event
          var charCode = (evt.which) ? evt.which : evt.keyCode
          if (charCode == 13) {
		     document.form1.target="_top";
		     document.form1.action="srch.asp?zoom_query="+document.form1.textfield.value;
		     document.form1.submit;
            	   
          }       
 };

function checkEnter(e)
{ //e is event object passed from function invocation
var characterCode // literal character code will be stored in this variable

	 if(e && e.which)
	 { //if which property of event object is supported (NN4)
	 e = e
	 characterCode = e.which //character code is contained in NN4's which property
	 }
	 else
	 {							
	 e = event						
	 characterCode = e.keyCode //character code is contained in IE's keyCode property
	 }
	 
	 
	 if(characterCode == 13)
	 { //if generated character code is equal to ascii 13 (if enter key)
	// alert("sdfsda");
	  document.form1.action="srch.asp?zoom_query="+document.form1.textfield.value;
	 //window.location ="srch.htm?zoom_query="+document.form1.textfield.value; //submit the form
	 return false; 
	 }
	 else
	 {
	 return true;
	 }

}