function noAlphas(e) //Number only
{
				var keynum;
				if(window.event) // IE
				{
					  keynum = e.keyCode;
				}
				else if(e.which) // Netscape/Firefox/Opera 
				{
					  keynum = e.which;
				}	  
				if (keynum>=48 && keynum <=57 || keynum==46 || keynum==8)
				{
					return true;
				}
				else
				{
				  alert("Please Only Press Numbers");
					return false; 
				}   
}

function numbersonly(e){ //Number  only
var unicode=e.charCode? e.charCode : e.keyCode
if (unicode!=8){ //if the key isn't the backspace key (which we should allow)
if (unicode<46||unicode>57) //if not a number
{
	alert("Please Only Press Numbers");
 return false //disable key press
}
}

}
function datesonly(e){ //Date only
var unicode=e.charCode? e.charCode : e.keyCode
if (unicode!=8){ //if the key isn't the backspace key (which we should allow)
if (unicode<45||unicode>57) //if not a number
{
	alert("Please Only Press Date");
 return false //disable key press
}
}

}

function onKeyPressBlockNumbers(e) //character only
{
	var key = window.event ? e.keyCode : e.which;
	var keychar = String.fromCharCode(key);
	reg = /\d/;
	return !reg.test(keychar);
}

function alphaOnly(evt) //character only
{ 
    var charCode = (evt.which) ? evt.which : window.event.keyCode; 
 
    if (charCode <= 13) 
    { 
        return true; 
    } 
    else 
    { 
        var keyChar = String.fromCharCode(charCode); 
        var re = /[a-zA-Z]/ 
        return re.test(keyChar); 
    } 
}
function noNumbers(e) //character only
{
				var keynum;
				if(window.event) // IE
				{
					  keynum = e.keyCode;
				}
				else if(e.which) // Netscape/Firefox/Opera 
				{
					  keynum = e.which;
				}	
				if ((keynum>=97 && keynum <=122) || (keynum>=65 && keynum <=90) || (keynum == 32) || (keynum == 46))
				{
					 return true;
				}
				else
				{
					alert("Please Press only Alphabets");
					return false;				  
				}   
}
function echeck(str) //Email only
{
		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 ID");
		   return false;
		}

		if (str.indexOf(at)==-1 || str.indexOf(at)==0 || str.indexOf(at)==lstr)
		{
		   alert("Invalid E-mail ID");
		   return false;
		}

		if (str.indexOf(dot)==-1 || str.indexOf(dot)==0 || str.indexOf(dot)==lstr)
		{
		    alert("Invalid E-mail ID");
		    return false;
		}
		if (str.indexOf(at,(lat+1))!=-1)
		{
		    alert("Invalid E-mail ID");
		    return false;
		}
        if (str.substring(lat-1,lat)==dot || str.substring(lat+1,lat+2)==dot)
		{
		    alert("Invalid E-mail ID");
		    return false;
		 }
		 if (str.indexOf(dot,(lat+2))==-1)
		 {
		    alert("Invalid E-mail ID");
		    return false;
		 }		
		 if (str.indexOf(" ")!=-1)
		 {
		    alert("Invalid E-mail ID");
		    return false;
		 } 
		 return true;							
}

function doSubmit( e )//Key submit
{
  var keyCode = (window.Event) ? e.which : e.keyCode;
  if( keyCode == 13 ) document.frn[0].submit();
}

//Key submit
document.onkeyup = KeyCheck;       

function KeyCheck()
{
   var KeyID = event.keyCode;

   switch(KeyID)
   {
      case 13:
 		 callclick();
      break; 
	 
   }
}