function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_findObj(n, d) { //v4.01
  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);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

var win=null

function openNewWindow(url, winname, winprops) {
	if (url != '') {
		win = window.open(url, winname, winprops);
	}
}


function closePopup(originalurl) {
	//var originalurl
	if (opener && !opener.closed) {
        if (originalurl=="") {
			parent.parent.GB_hide();
         }
    }
    else {
        //opener.location = originalurl;
       top.window.location= originalurl;
	}	
	self.close();
}


function checkSearchForm() {
	if (document.search.searchtext.value == "Enter Keywords") {
		alert("please enter a Keyword.");
		document.search.searchtext.focus();
		return false;
	}
	if (document.search.searchlist.selectedIndex == 0)
		{
			alert("please select a Search Option.");
			document.search.searchlist.focus();
		return false;
	}

}
function Launch(url) {
	if (url != '') {
		win = window.open(url, "", "");
	}
}
function LaunchCustom(url,w,h,opt) {
	if (url != '') {
	    if (opt!="") 
	        opt = ","+opt
		win = window.open(url, "", "width="+w+",height="+h+opt);
	}
}

function ValidateSearchForm() {
	var SearchString = document.SearchForm.search_word.value;
	if ((SearchString.length < 3)||( document.SearchForm.search_word.value == "Enter Keywords")) {
		alert("Search phrase must be at least 3 characters in length.");
		document.SearchForm.search_word.focus();
		return false;
	}
	else {
		return true
	}	

}
/*
function outLinks()
{
	var d = document.links; 
	var j = "javascript:"; 
	var b = "_blank";
	var dom = document.domain;
	dom = replace(dom,":"+location.port,"");
	for (var i = 0; i < (d.length); i++) 
		if (d[i].protocol != j & d[i].hostname != dom & d[i].hostname == "www.detroitriverfront.org") 
		{
          d[i].hostname = dom ; 
          d[i].port = location.port ;
		}
}
window.onload = function() { outLinks() }; 
*/

function replace(string,text,by) {
// Replaces text with by in string
    var strLength = string.length, txtLength = text.length;
    if ((strLength == 0) || (txtLength == 0)) return string;

    var i = string.indexOf(text);
    if ((!i) && (text != string.substring(0,txtLength))) return string;
    if (i == -1) return string;

    var newstr = string.substring(0,i) + by;

    if (i+txtLength < strLength)
        newstr += replace(string.substring(i+txtLength,strLength),text,by);

    return newstr;
}
