function getCookie(name) {
    var dc = document.cookie;
    var prefix = name + "=";
    var begin = dc.indexOf("; " + prefix);
    if (begin == -1) {
        begin = dc.indexOf(prefix);
        if (begin != 0) return null;
    } else {
        begin += 2;
    }
    var end = document.cookie.indexOf(";", begin);
    if (end == -1) {
        end = dc.length;
    }
	var val=unescape(dc.substring(begin + prefix.length, end));
	//alert(typeof val);
    return val;
}
function IsAge(strString)
   //  check for valid numeric strings	
   {
   var strValidChars = "0123456789.-() ";
   var strChar;
   var blnResult = true;

   //if (strString.length == 0) return false;

   //  test strString consists of valid characters listed above
   if (strString.length < 1){
		  
		   return false
		}
   for (i = 0; i < strString.length && blnResult == true; i++)
      {
      strChar = strString.charAt(i);
	  
      if (strValidChars.indexOf(strChar) == -1)
         {
         blnResult = false;
		  
         }
      }
	  
   return blnResult;
   }
function IsNumeric(strString)
   //  check for valid numeric strings	
   {
   var strValidChars = "0123456789.-() ";
   var strChar;
   var blnResult = true;
   //if (strString.length == 0) return false;
   //  test strString consists of valid characters listed above
   if (strString.length < 8){
		    return false
		}
   for (i = 0; i < strString.length && blnResult == true; i++)
      {
      strChar = strString.charAt(i);
	  
      if (strValidChars.indexOf(strChar) == -1)
         {
         blnResult = false;
		  
         }
      }
	  
   return blnResult;
  }
function echeck2(str){
	var emailRegEx = /^([a-zA-Z0-9_\.\-\+])+\@(([a-zA-Z0-9\-\.])+\.)+([a-zA-Z0-9]{2,4})+$/;
	if(str.match(emailRegEx)){
		return true;
	} else {
		return false;
	}
}
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){
	 //  alert("Invalid E-mail ")
	   return false;
	}
	if (str.indexOf(at)==-1 || str.indexOf(at)==0 || str.indexOf(at)==lstr){
	  // alert("Invalid E-mail ")
	   return false;
	}
	if (str.indexOf(dot)==-1 || str.indexOf(dot)==0 || str.indexOf(dot)==lstr){
	 //   alert("Invalid E-mail ")
		return false;
	}
	if (str.indexOf(at,(lat+1))!=-1){
		//  alert("Invalid E-mail ")
		return false;
 	}
	if (str.substring(lat-1,lat)==dot || str.substring(lat+1,lat+2)==dot){
		//  alert("Invalid E-mail ")
		return false;
	}
	if (str.indexOf(dot,(lat+2))==-1){
		//  alert("Invalid E-mail ")
		return false;
	}
	//if (str.indexOf(" ")!=-1){
		//   alert("Invalid E-mail ")
		//   return false
	// }
	 return true;		
}
function popup3(mylink, windowname) { //popup for feedback link in footer
	if(!window.focus) return true;
	openWin(mylink,windowname,470,325,0,0,1,0);
	return false; 
}
function validate2(){
	document.forms['ra_signIn'].method = "POST";
	document.forms['ra_signIn'].action = "contest_info.php";
	document.forms['ra_signIn'].submit();
}
function showLogin( ) {
	document.getElementById('ra_login_box').style.display = 'block'; 
}
function logout(){
	document.forms['logout'].method = "POST";
	document.forms['logout'].action = "contest_info.php";
	document.forms['logout'].submit();
}
function hideLogin( ) {
	document.getElementById('ra_login_box').style.display = 'none'; 
}
function EcrireCookie(nom, valeur) {
	var argv=EcrireCookie.arguments;
	var argc=EcrireCookie.arguments.length;
	var expires=(argc > 2) ? argv[2] : null;
	var path=(argc > 3) ? argv[3] : null;
	var domain=(argc > 4) ? argv[4] : null;
	var secure=(argc > 5) ? argv[5] : false;
	document.cookie=nom+"="+escape(valeur)+
	((expires==null) ? "" : ("; expires="+expires.toGMTString()))+
	((path==null) ? "" : ("; path="+path))+
	((domain==null) ? "" : ("; domain="+domain))+
	((secure==true) ? "; secure" : "");
}
function js_getURL(spage,sdiv) {
	document.getElementById(sdiv).innerHTML="";
	document.location.href=spage;
}