function nothing() {
	return;
}

function CheckAll(obj) { 
	var form_obj = obj.form
	for (i = 0;i < form_obj.length;i++ )	{
		if (form_obj.elements[i].type == "checkbox") { 
			form_obj.elements[i].checked = (obj.checked) ? true : false; 
		}
	}
	return;
}

function ShowD(t)
{
	var currStyle = document.getElementById(t).style.display; var cact;
	if ( currStyle == 'block' ) { cact = 'none'; } else { cact = 'block'; }
	document.getElementById(t).style.display = cact;
	return;
}

function ShowAct(t,veids)
{
	var currStyle = document.getElementById(t).style.display; var cact;
	if ( veids == '0' ) { cact = 'none'; } else { cact = 'block'; }
	document.getElementById(t).style.display = cact;
	return;
}

function hidediv(pass) {
var divs = document.getElementsByTagName('div');

	for(i=0;i<divs.length;i++){
		if(divs[i].id.match(pass)){
			if (document.getElementById) // DOM3 = IE5, NS6
			divs[i].style.display="none";// show/hide
		else
			if (document.layers) // Netscape 4
			document.layers[divs[i]].display = 'none';
			else // IE 4
			document.all.hideShow.divs[i].display = 'none';
		}
	}
}

function showdiv(pass) {
var divs = document.getElementsByTagName('div');

	for(i=0;i<divs.length;i++){
		if(divs[i].id.match(pass)){
			if (document.getElementById) // DOM3 = IE5, NS6
			divs[i].style.display="block";// show/hide
		else
			if (document.layers) // Netscape 4
			document.layers[divs[i]].display = 'block';
			else // IE 4
			document.all.hideShow.divs[i].display = 'block';
		}
	}
}

function openWin(page, i, width, height) {
	window.name = "main";
	if(!width) width=488;
	if(!height) height=270;
	Win=this.open(page, 'win'+i, "toolbar=no,scrollbars=yes,resizable=no,status=yes,height="+height+",width="+width);
	Win.focus();
	return false;
}

function sf(page) {
	window.name = "main";
	width=670;
	height=300;
	Win=this.open('mailfriend.php?p='+page, 'tellfriend', "toolbar=no,scrollbars=yes,resizable=no,status=yes,height="+height+",width="+width);
	Win.focus();
}


nereidFadeObjects = new Object();
nereidFadeTimers = new Object();

function nereidFade(object, destOp, rate, delta) {
    if (!document.all)
      return
    if (object != "[object]") {
      setTimeout("nereidFade("+object+","+destOp+","+rate+","+delta+")",0);
      return;
    }
    clearTimeout(nereidFadeTimers[object.sourceIndex]);
    diff = destOp-object.filters.alpha.opacity;
    direction = 1;
    if (object.filters.alpha.opacity > destOp) {
      direction = -1;
    }
    delta=Math.min(direction*diff,delta);
    object.filters.alpha.opacity+=direction*delta;
    if (object.filters.alpha.opacity != destOp) {
      nereidFadeObjects[object.sourceIndex]=object;
      nereidFadeTimers[object.sourceIndex]=setTimeout("nereidFade(nereidFadeObjects["+object.sourceIndex+"],"+destOp+","+rate+","+delta+")",rate);
    }
}

function echeck(str) {

var at="@"
var dot="."
var lat=str.indexOf(at)
var lstr=str.length
var ldot=str.indexOf(dot)
if (str.indexOf(at)==-1){ return false; }
if (str.indexOf(at)==-1 || str.indexOf(at)==0 || str.indexOf(at)==lstr){ return false; }
if (str.indexOf(dot)==-1 || str.indexOf(dot)==0 || str.indexOf(dot)==lstr){ return false; }
if (str.indexOf(at,(lat+1))!=-1){ return false; }
if (str.substring(lat-1,lat)==dot || str.substring(lat+1,lat+2)==dot){ return false; }
if (str.indexOf(dot,(lat+2))==-1){ return false; }
if (str.indexOf(" ")!=-1){ return false; }
return true					
}

function trim(stringToTrim) {
return stringToTrim.replace(/^\s+|\s+$/g,"");
}


function updateTimeIndex() {
var st = document.getElementsByName("ddlStartTime")[0]
var et = document.getElementsByName("ddlEndTime")[0]
if (st.selectedIndex<84) {
et.selectedIndex=(st.selectedIndex + 12)
} else {
et.selectedIndex=(st.selectedIndex-84)
}
return false;
}

function CalculateHours(h,m) {
var st = document.getElementsByName("ddlStartTime")[0].selectedIndex;
var et = document.getElementsByName("ddlEndTime")[0].selectedIndex;
if (et<st) et=et+96;
var diff=((et-st)/4)*60;
var hours=Math.floor(diff/60);
var mins=diff-(hours*60);
if (mins>0) { var answer=hours+' '+h+' '+mins+' '+m; } else { var answer=hours+' '+h; }
document.getElementById('calcTimeSpan').innerHTML=answer;
return false;
}