function validUserName(username)
{
  if(username == "") return false;
  if(username.indexOf(" ") > 0) return false;
  var str = "0123456789abcdefghikjlmnopqrstuvwxyz_"; 
  for(var j = 0; j < username.length; j++)
	{
		if(str.indexOf(username.charAt(j))==-1) return false;
	}	
  return true;
}

function isEmail(s)
{   
  if (s=="") return false;
  if(s.indexOf(" ") > 0) return false;
  if(s.indexOf("@") == -1) return false;
  var i = 1;
  var sLength = s.length;
  if (s.indexOf(".")==-1) return false;
  if (s.indexOf("..")!=-1) return false;
  if (s.indexOf("@") != s.lastIndexOf("@")) return false;
  if (s.lastIndexOf(".") == s.length - 1) return false;
  var str = "0123456789abcdefghikjlmnopqrstuvwxyz-@._"; 
  for(var j=0;j<s.length;j++)
	{
		if(str.indexOf(s.charAt(j))==-1) return false;
	}	
  return true;
}

function isURL(s)
{
  if (s=="") return false;
	s= toLowerCase(s);
  if(s.indexOf(" ")>0) return false;
  var i = 1;
  var sLength = s.length;
  if (s.indexOf(".")==-1) return false;
  if (s.indexOf("..")!=-1) return false;
  if (s.lastIndexOf(".")==s.length-1) return false;
  var str = "0123456789abcdefghikjlmnopqrstuvwxyz-._:/"; 
  for(var j=0; j<s.length; j++)
	if(str.indexOf(s.charAt(j))==-1) return false;
  return true;
}

function FileName(strFile)
{
	if(strFile=="") return "";
	var pos = strFile.lastIndexOf("/") + 1;
	var filename = strFile.substr(pos);
	return filename;
}

function isNumber(num)
{
	if(num=="") return false;
	var str="0123456789";
	var len = num.length;
	for(var i=0;i<len;i++)
	{
		if(str.indexOf(num.charAt(i))==-1) return false;
	}
	return true;
}

function checkDate(s_d,s_m,s_y,e_d,e_m,e_y)
{	
	if(e_y<s_y) return false;
	if(e_y==s_y)
	{
		if(e_m<s_m) return false;
		if(e_m==s_m)
		{
			if(e_d<=s_d) return false;
		}
	}
	return true;
}

//** COOKIE FUNCTIONS**//

//var never = new Date();
//never.setTime(never.getTime() + 2000*24*60*60*1000);

function SetCookie(name,value) 
{
   var expString = "; expires=" + never.toGMTString();
   document.cookie = name + "=" + escape(value) + expString;
}

function GetCookie(name) 
{
   var result = null;
   var myCookie = " " + document.cookie;
   var searchName = " " + name + "=";
   var startOfCookie = myCookie.indexOf(searchName);
   var endOfCookie;
   if (startOfCookie != -1)
   {
      startOfCookie += searchName.length;
      endOfCookie = myCookie.indexOf(";", startOfCookie);
      result = unescape(myCookie.substring(startOfCookie,endOfCookie));
   }
   return result;
}

function saveValue(eleName,frmName) 
{
	var strObj = "document."+frmName+"."+eleName;
	var obj = eval(strObj);
	if ((obj.type == "text")||(obj.type == "password")||(obj.type == "textarea")||(obj.type == "radio")) 
	{
		val = obj.value;
	} 
	else if (obj.type.indexOf("select") != -1) 
	{
		val = "";
		for(k=0;k<obj.length;k++)
			if (obj.options[k].selected)
				val += k+" ";
	} 
	else if (obj.type == "checkbox") 
	{
		val = obj.checked;
	}
	SetCookie("memory_"+frmName+"_"+eleName,val);
}

function clearValue(eleName,frmName) 
{
	var strObj = "document."+frmName+"."+eleName;
	var obj = eval(strObj);
	val = "";
	if (obj.type.indexOf("select") != -1) 
	{
		obj.options[k].selected = 0
	} 
	SetCookie("memory_"+frmName+"_"+eleName,val);
}

function storedValues() 
{
	for (i=0;i<document.forms.length;i++) 
	{
		for (j=0;j<document.forms[i].elements.length; j++) 
		{
			cookie_name  = "memory_"+document.forms[i].name+"_";
			cookie_name += document.forms[i].elements[j].name;
			val = GetCookie(cookie_name);
			if (val) 
			{
				if ((document.forms[i].elements[j].type == "text")||(document.forms[i].elements[j].type == "password")||(document.forms[i].elements[j].type == "textarea")) 
				{
					document.forms[i].elements[j].value = val;
				} 
				else if (document.forms[i].elements[j].type.indexOf("select") != -1) 
				{
					document.forms[i].elements[j].selectedIndex = -1;
					while (((pos = val.indexOf(" ")) != -1) && (val.length > 1)) 
					{
						sel = parseInt(val.substring(0,pos));
						val = val.substring(pos+1,val.length);
						if (sel < document.forms[i].elements[j].length) document.forms[i].elements[j].options[sel].selected = true;
					}
				}
				else if (document.forms[i].elements[j].type == "checkbox") 
				{
					document.forms[i].elements[j].checked = val;
				}
				else if (document.forms[i].elements[j].type == "radio") 
				{
					if (document.forms[i].elements[j].value == val) document.forms[i].elements[j].checked = true;
				}
			}
		}
	}
}
//** END COOKIE **//