function trim( as_data )
{
	return as_data.replace( /^\s+/g, '' ).replace( /\s+$/g, '' );
}

function isSearchTermValid( aobj_form )
{
	var lobj_searchTerm		= aobj_form.searchTerm;
	var ls_searchTermValue	= lobj_searchTerm.value;
	
	//Blank
	if ( !/\S/.test( ls_searchTermValue ) )
		{
		alert(	'Nothing to search for:\n' + 
				'Please enter some text to search for, it must be more than 2 characters long.' );
		lobj_searchTerm.focus();
		return false;
		}
	
	//Bad Character
	if ( /[^a-z0-9_\" ]/i.test( ls_searchTermValue ) )
		{
		alert(	'Invalid characters:\n' +
				'Only letters, numbers and underscore "_" can be searched for.' );
		lobj_searchTerm.focus();
		return false;
		}
	
	//Too Short
	if ( trim( ls_searchTermValue ).length < 2 )
		{
		alert(	'Search term is too short:\n' + 
				'Please enter a search term longer than 2 characters.' );
		lobj_searchTerm.focus();
		return false;
		}
	
	return true;
}


function MM_findObj(n, d) { //v3.0
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document); return x;
}

function MM_validateForm() { //v3.0
  var i,p,q,nm,test,num,min,max,errors='',args=MM_validateForm.arguments;
  for (i=0; i<(args.length-2); i+=3) { test=args[i+2]; val=MM_findObj(args[i]);
    if (val) { nm=val.name; if ((val=val.value)!="") {
      if (test.indexOf('isEmail')!=-1) { p=val.indexOf('@');
        if (p<1 || p==(val.length-1)) errors+='- '+nm+' must contain an e-mail address.\n';
      } else if (test!='R') { num = parseFloat(val);
        if (val!=''+num) errors+='- '+nm+' must contain a number.\n';
        if (test.indexOf('inRange') != -1) { p=test.indexOf(':');
          min=test.substring(8,p); max=test.substring(p+1);
          if (num<min || max<num) errors+='- '+nm+' must contain a number between '+min+' and '+max+'.\n';
    } } } else if (test.charAt(0) == 'R') errors += '- '+nm+' is required.\n'; }
  } if (errors) alert('The following error(s) occurred:\n'+errors);
  document.MM_returnValue = (errors == '');
}


function externalLinks() {
 if (!document.getElementsByTagName) return;
 var anchors = document.getElementsByTagName("a");
 for (var i=0; i<anchors.length; i++) {
   var anchor = anchors[i];
   if (anchor.getAttribute("href") &&
       anchor.getAttribute("rel") == "external")
     anchor.target = "_blank";
 }
}
window.onload = externalLinks;