// JavaScript Document
function chkform()
{
	if (document.newsletterfrm.emailid.value=="")
		{
			alert("Please Enter your Email ID");
			document.newsletterfrm.emailid.focus();
			return false;
		}
	if (echeck(document.newsletterfrm.emailid.value)==false)
		{
			document.newsletterfrm.emailid.value="";
			document.newsletterfrm.emailid.focus();
			return false;
		}
}

function fun_badcharaeters()
{
		 var iChars = "!@#$%^&*()+=-[]\\\';,./{}|\":<>?";

		  for (var i = 0; i < document.searchfrm.key.value.length; i++) {
			if (iChars.indexOf(document.searchfrm.key.value.charAt(i)) != -1) {
			alert ("These are not allowed.\n Please remove then try again.");
			document.searchfrm.key.value="";
			document.searchfrm.key.focus();
			return false;
			}
		  }
}

function checksearch()
{
	if (document.searchfrm.key.value=="")
		{
			alert("Please enter any of the following in the search box: \n\n               > Any Keyword \n               > Book Title \n               > Publisher Name \n               > Author Name \n               > ISBN");
			document.searchfrm.key.focus();
			return false;
		}
		
		if (document.searchfrm.key.value=="Search Books4u.in")
		{
			alert("Please enter any of the following in the search box: \n\n               > Any Keyword \n               > Book Title \n               > Publisher Name \n               > Author Name \n               > ISBN");
			document.searchfrm.key.focus();
			return false;
		}
		 
		  
		return true;
}