function echeck(str) {
		
		var errorSTR = ""
		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
		}
		if (str.substring(lstr-1)==dot) {
			return false
		}
		return true					
	}

	function checkEmail(emailID)
	{
		if ((emailID.value==null)||(emailID.value=="")){
			emailID.focus();
			return false
		}
		if (echeck(emailID.value)==false){
			emailID.focus();
			return false
		}
		return true;
	}

function MM_openBrWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}

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_findObj(n, d) { //v4.0
  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);
  if(!x && document.getElementById) x=document.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];}
}


function MM_reloadPage(init) {  //reloads the window if Nav4 resized
  if (init==true) with (navigator) {if ((appName=="Netscape")&&(parseInt(appVersion)==4)) {
    document.MM_pgW=innerWidth; document.MM_pgH=innerHeight; onresize=MM_reloadPage; }}
  else if (innerWidth!=document.MM_pgW || innerHeight!=document.MM_pgH) location.reload();
}
MM_reloadPage(true);


function sss(which,diger,digerr) { 
		if(window.document.getElementById(which).style.display == 'none'){
			window.document.getElementById(diger).style.display = 'none';
			window.document.getElementById(digerr).style.display = 'none';
			window.document.getElementById(which).style.display = 'block'; 
		}
		else {
			window.document.getElementById(which).style.display = 'none'
		}
	}
	
function tabs(show,hide1,hide2,hide3) { 
			window.document.getElementById(show).style.display = 'block';
			window.document.getElementById(hide1).style.display = 'none'; 
			window.document.getElementById(hide2).style.display = 'none'; 
			window.document.getElementById(hide3).style.display = 'none'; 
		}