function validEmail(email) 
{ 
    if (email == ""){return false;} 
    badStuff = ";:/,' \"\\"; 
     
    for (i=0; i<badStuff.length; i++) 
    { 
        badCheck = badStuff.charAt(i) 
        if (email.indexOf(badCheck,0) != -1){return false;} 
    } 

    posOfAtSign = email.indexOf("@",1) 
     
    if (posOfAtSign == -1){return false;} 

    if (email.indexOf("@",posOfAtSign+1) != -1){return false;} 
    posOfPeriod = email.indexOf(".", posOfAtSign) 
     
    if (posOfPeriod == -1){return false;} 
    if (posOfPeriod+2 > email.length){return false;} 
     
return true; 
} 




function left_chk()
{

		var errorstr = '';
		var msgstr = "Sorry, we cannot complete your request.\nKindly provide us the missing or incorrect information enclosed below.\n\n";
		
		with(document.formleft)
		{ 	
			if(username.value=='') { errorstr += "- Please enter username.\n"; }
			if (password.value=='') { errorstr += "- Please enter password.\n";}
		}	
		
		if (errorstr != '')
		{
			msgstr = msgstr + errorstr;
			alert(msgstr);
			return false;
		}
		else
		{
			return true;
		}	
			
} 



//function for Empty Checking with alert message
function isEmpty(objWord) {
        var blnIsEmpty = true;	
	var blnObjectPrm=false;
	var i=0;	
	var strWord='';
	var objThis;

	if (isIE)
		blnObjectPrm = (typeof(objWord)=='object'?true:false) ; 

	if (blnObjectPrm) {
		objThis = objWord;
		strWord=objWord.value;
	}
	else {
		if (objWord.substring(0,8)=='document') {
			objThis =eval(objWord); 
			strWord=objThis.value;
			blnObjectPrm = true; 
		}
		else
			strWord=objWord;
	}

	while(i<strWord.length && blnIsEmpty) {
		if (strWord.charAt(i)!=' ')
			blnIsEmpty=false;
		i++;
  	}
	
	return blnIsEmpty;
}


function textCounter(field, countfield, maxlimit)
{
	if (field.value.length > maxlimit)
	{
		field.value = field.value.substring(0, maxlimit);
	}
	else
	{
       countfield.value = maxlimit - field.value.length;
    }
}