function leave_search_box(textfield) {
	if (textfield.value == "") {
		textfield.value = "Enter keyword(s)";
	}
}
function enter_search_box(textfield) {
	if (textfield.value == "Enter keyword(s)") {
		textfield.value = "";
	}
}
///
///	Change description for search types
///
function IRGSearchDesc(form_id){
	// if Mozilla-compliant
	if (document.getElementById)
	{
		formObjDdl = document.getElementById(form_id);
		formObjLbl = document.getElementById("IRGSearch_lblSearchDesc");
	}
	// if IE 4
	else if (document.all)
	{
		eval("formObjDdl = document.all." + form_id);
		eval("formObjLbl = document.all.IRGSearch_lblSearchDesc");
	}
	else if (document.layers)
	{
		eval("formObjDdl = document." + form_id);
		eval("formObjLbl = document.IRGSearch_lblSearchDesc");
	}
	else
	{
		eval("formObjDdl = document." + form_id);
		eval("formObjLbl = document.IRGSearch_lblSearchDesc");
	}
	switch (formObjDdl.value)
	{
		case "x":	
			formObjLbl.innerHTML = "Search on terms without synonym help. Boolean logic will be used if entered.";
			formObjLbl.bgcolor = "blue";
			break; 
		
		case "mk": 
			formObjLbl.innerHTML = "Search on terms with automatic synonym help. Boolean logic will be used if entered.";
			break; 
		
		case "s":
			formObjLbl.innerHTML = "Search on terms with user choosing synonyms from the MeSH lookup. Boolean logic will be used if entered.";
			break;
	}
}

function submit(form_id) {
	// if Mozilla-compliant
	if (document.getElementById)
	{
		formObj = document.getElementById(form_id);
	}
	// if IE 4
	else if (document.all)
	{
		eval("formObj = document.all." + form_id);
	}
	else if (document.layers)
	{
		eval("formObj = document." + form_id);
	}
	else
	{
		eval("formObj = document." + form_id);
	}

	if (formObj.keywords.value == "Enter keyword(s)") {
		formObj.keywords.value = "";
	}
	formObj.submit();
}
function submitcsr() {
	// if Mozilla-compliant
	//if (document.getElementById)
	//{
	//	formObj = document.getElementById(form_id);
	//}
	// if IE 4
	//else if (document.all)
	//{
	//	eval("formObj = document.all." + form_id);
	//}
	//else if (document.layers)
	//{
	//	eval("formObj = document." + form_id);
	//}
	//else
	//{
	//	eval("formObj = document." + form_id);
	//}

	if (search_form.q.value == "Enter keyword(s)") {
		search_form.q.value = "";
	}
	search_form.submit();
}
   function updateLinks() {
   
   var realUrl;
   var theLinks = document.links;
   var thisDomain = window.location.hostname;
   //alert( theLinks.length);
  for (i=0; i < theLinks.length; i++) {
   var thisLink = theLinks[i];
   realUrl= document.links[i].href;
    
   if (thisLink.href.indexOf(thisDomain) == -1 ) {
   //window.location = "/csr.nih.gov/Template/CSRExitWarning.aspx?link=" + document.links[i].href;
   // thisLink.target = "_blank";
   thisLink.href = "/csr.nih.gov/Template/CSRExitWarning.aspx?link=" + realUrl;
  if ( thisLink.href.indexOf("www.csr.nih.gov") > -1 ||  thisLink.href.indexOf("csrweb.nih.gov") > -1 || thisLink.href.indexOf("cms.csrweb.nih.gov") > -1 || thisLink.href.indexOf("cms.csr.nih.gov") > -1 || thisLink.href.indexOf("mailto:") > -1 || thisLink.href.indexOf("javascript:") > -1)
  {
  thisLink.href = realUrl;
  }
   
    //if (showMessage == 1) {
    // thisLink.onclick = confirmNav;
     //thisLink.onclick = window.location.replace = "http://localhost/csr.nih.gov/Template/CSRExitWarning.aspx?link=" + realUrl;
    //}
   }
  }
 }