// JavaScript Document
function ClearField(){
	if(document.getElementById("textfield").value=="Enter Text" ){
		document.getElementById("textfield").value='';
	}
}
function clearEmail(){
	if(document.getElementById("txtemail").value=="Email Address" ){
		document.getElementById("txtemail").value='';
	}
}
function clearPassword(){
	if(document.getElementById("txtpassword").value=="Password" ){
		document.getElementById("txtpassword").value='';
	}
}

//====================
	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					
	}
  function submitlogin(){
                   if(document.getElementById("txtemail").value=="" || document.getElementById("txtemail").value=='Email Address') 
				   {   
						    alert("Enter Email Id");
							document.getElementById("txtemail").focus();
							return false;
				   }
				   else if (echeck(document.getElementById("txtemail").value)==false){
			                document.getElementById("txtemail").focus()
			                return false
		           }else if(document.getElementById("txtpassword").value=="" || document.getElementById("txtpassword").value=='Password')
				   {
							alert("Enter Password");
							document.getElementById("txtpassword").focus();
							return false;
				   }else{
						document.loginform.submit();   
				   }
}