function noAlphas(e)
{
				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)
				{
					return true;
				}
				else
				{
				  alert("Please Only Press Numbers");
					return false; 
				}   
}
function noNumbers(e)
{
				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) 
{
		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;							
}