function ChkBook(frm)
{
	var txt="";
	if(!Trim(frm.name.value))
	{
		txt+="     Name should not be empty\n"
	}
	
	if(!Trim(frm.email.value) || !isEmail(frm.email.value))
	{
		txt+="     Invalid Email Id\n";
	}
	if(frm.remark.value=="")
	{
		txt+="     You did not put any comment \n"
	}  
   	if(txt)
	{
   		alert("Sorry!! Following errors has been occured :\n\n"+ txt +"\n     Please Check");
  	 	return false
	}
    return true	
}
function prv(no)
{
     if(document.all){document.images["imgBanner"].src=eval("document.forms[0]."+no+".value")}
}
function makeArray(n) 
{
this.length = n
return this
}
monthNames = new makeArray(12)
monthNames[1] = "January"
monthNames[2] = "February"
monthNames[3] = "March"
monthNames[4] = "April"
monthNames[5] = "May"
monthNames[6] = "June"
monthNames[7] = "July"
monthNames[8] = "August"
monthNames[9] = "September"
monthNames[10] = "October"
monthNames[11] = "November"
monthNames[12] = "December"

dayNames=new makeArray(7)
dayNames[1]="Sunday";
dayNames[2]="Monday";
dayNames[3]="Tuesday";
dayNames[4]="Wednesday";
dayNames[5]="Thursday";
dayNames[6]="Friday";
dayNames[7]="Saturday";
function GetPgSearch(x)
{
 var frm=document.forms['gallery'];
 frm.limit.value=x;
 frm.submit();
}
function GetLetter(x)
{
 var frm=document.forms['rate'];
 frm.letter.value=x;
 frm.submit();
}

function GetDrink(x)
{
 var frm=document.forms['link'];
 frm.action='mixdrinks.php';
 frm.letter.value=x;
 frm.submit();
}
function GetMDrink(x)
{
 var frm=document.forms['link'];
 frm.action='beerhall_game.php';
 frm.letter.value=x;
 frm.submit();
}
function dateString(oneDate) 
{
	var theDay = dayNames[oneDate.getDay() + 1]
	var theMonth = monthNames[oneDate.getMonth() + 1]
	var theYear = oneDate.getFullYear()
	return theDay +" "+ theMonth + " " + oneDate.getDate() + ", " + theYear
}
function isDate(Dt)
{
  if(isNaN(Dt.substr(0,4)-0)||!(Dt.substr(5,2)-0)||(Dt.substr(5,2)-0>12)||isNaN(Dt.substr(5,2)-0)||!(Dt.substr(8,2)-0)||(Dt.substr(8,2)-0>31)||isNaN(Dt.substr(8,2)-0)||(Dt.substr(8,2)-0>30 && (Dt.substr(5,2)-0==4 || Dt.substr(5,2)-0==6 || Dt.substr(5,2)-0==9 ||Dt.substr(5,2)-0==11))||(Dt.substr(5,2)-0==2 && (Dt.substr(0,4)-0)%4==0 && Dt.substr(8,2)-0>29)||(Dt.substr(5,2)-0==2 && (Dt.substr(0,4)-0)%4!=0 && Dt.substr(8,2)-0>28)||Dt.substr(4,1)!="-"||Dt.substr(7,1)!="-")
  {
      return false;
  }
  else
  {
      return true
  }
}
function GetPg(x)
{
	var frm = document.forms['link'];
	frm.action=x;
	frm.submit();
}

  
function showval(x)
{
  eval("getValue("+ x +")");
}

function GetSubject(x)
{
    
	var frm=document.forms["link"];
	frm.subject.value=x;
 	frm.action='professors_rating.php'
	frm.submit();
}
function winT()
 {
    var frm=document.forms["frmMain"];
	if(!frm.user_id.value || frm.user_id.value<=0)
    {
      alert("Sorry !! You have not loged in.\nThis is login restricted section");
	  return false;
    }
    else if(!frm.new_board_name.value)
	{
	    alert("You have not enter value");	
	    return false;
    }	
	  return true
 }
 function doBlink() {
  var blink = document.all.tags("BLINK")
  for (var i=0; i < blink.length; i++)
    blink[i].style.visibility = blink[i].style.visibility == "" ? "hidden" : "" 
}

function startBlink() {
  if (document.all)
    setInterval("doBlink()",1000)
}
window.onload = startBlink;


function isEmail(Ml)
{
  if(!Ml){return true}
  if(Ml.indexOf("@")<=0 || Ml.indexOf("@")==Ml.length-1 || Ml.indexOf(".")<=0 || Ml.indexOf(".")==Ml.length-1 || Ml.indexOf("..")!=-1 || Ml.indexOf("@@")!=-1 || Ml.indexOf("@.")!=-1 || Ml.indexOf(".@")!=-1)
  {
      return false
  }
  else
  {
      return true
  }
}

function Trim (s){return LTrim(RTrim(' '+s));}
function LTrim (s)
{
    if(!s){return '';}
    while(s.charAt(0)==' ')
        s = s.substring(1,s.length);
    return s;
}
//..............

function RTrim (s)
{
    if(!s || s==' '){return '';}
    if (s.length > 1)
    {
        while(s.charAt(s.length-1)==' ')
            s = s.substring(0,s.length-2);
        return s;
    }
}
function Valid(frm)
{
	var txt="";
	if(!Trim(frm.name.value))
	{
		txt+="     Name  should not be empty\n"
	}
		
	
	if(!Trim(frm.phone.value))
	{
		txt+="    Phone should not be empty\n"
	}
    if(!isEmail(frm.email.value))                                                                                                                                                                                                                                                                                                  	if(!Trim(frm.email.value) || !isEmail(frm.email.value))
	{
		txt+="     Invalid Email Id\n";
	}
	if(!Trim(frm.people.value))
	{
		txt+="    No of people should not be empty\n"
	}
    if(!Trim(frm.day.value) || !Trim(frm.month.value) || !Trim(frm.year.value))
	{
		txt+="     Booking date should not be empty\n"
	}
	if(!Trim(frm.time.value))
	{
		txt+="    Time should not be empty\n"
	}
   	if(txt)
	{
   		alert("Sorry!! Following errors has been occured :\n\n"+ txt +"\n     Please Check");
  	 	return false
	}
    return true	
}

function ValidNews(frm)
{
	
	var txt="";
	if(!Trim(frm.name.value))
	{
		txt+="     Name should not be empty\n"
	}
    if(!Trim(frm.phone.value))
	{
		txt+="    Phone should not be empty\n"
	}
    if(!isEmail(frm.email.value))                                                                                                                                                                                                                                                                                                  	if(!Trim(frm.email.value) || !isEmail(frm.email.value))
	{
		txt+="     Invalid Email Id\n";
	}
	
	 if(!Trim(frm.day.value) || !Trim(frm.month.value) || !Trim(frm.year.value))
	{
		txt+="     Birth date should not be empty\n"
	}
	
   	if(txt)
	{
   		alert("Sorry!! Following errors has been occured :\n\n"+ txt +"\n     Please Check");
  	 	return false
	}
    return true	
}