function loginvalid()
{   
   
		if (document.loginfrm.vUserName.value == "")
	{
		alert("Please enter name") ;
	 	document.loginfrm.vUserName.focus();
		return false ;
	}
		 
	
	//chk1="!@#$%^&*|\~`{}[]:<>?/,'";
	
	
	if(document.loginfrm.vPassword.value.length<1)
	{
	alert("Pls Enter Password");
	document.loginfrm.vPassword.focus();
	return false;	
	}
	
	//chk1="!@#$%^&*|\~`{}[]:<>?/,'";
	chk1="!#$%^&*|\~`{}[]:<>?/,'";
	for(i=0;i!=document.loginfrm.vPassword.value.length;i++)
	{
	ch1=document.loginfrm.vPassword.value.charAt(i);
	rtn1=chk1.indexOf(ch1);
		if(rtn1!=-1)
		{
		alert("Pls Enter Valid Password");
		document.loginfrm.vPassword.focus();
		return false;
		break;
		}
	}
}