//This is used to rotate images in Login Page
function imgEntry(src) {
	this.src = src;
}
		newIMG = new Array()
		newIMG[0] = new imgEntry("05.jpg");
		newIMG[1] = new imgEntry("02.jpg");
		newIMG[2] = new imgEntry("03.jpg");
		newIMG[3] = new imgEntry("04.jpg");
		newIMG[4] = new imgEntry("01.jpg");
		newIMG[5] = new imgEntry("06.jpg");	
		arImages = new Array();
	for(i=0; i< newIMG.length; i++) {
		arImages[arImages.length] = new Image();
		arImages[arImages.length - 1].src = "../images/" + newIMG[i].src;
	}
	var rand = Math.random();
	var imgNum = Math.floor(rand * newIMG.length);
	imgNum = (imgNum == newIMG.length) ? imgNum - 1 : imgNum;
function imRotate(){
	if (imgNum == newIMG.length - 1) {imgNum = 0;} else {imgNum ++;}
	document.images['swapIMG'].src = arImages[imgNum].src;
	setTimeout("imRotate();",10000); // This integer is the milliseconds that swaps the images.
}

//---- Function to validate the login credentials
function ValidateLogin(errCtrlId)
{
    var textboxs = document.getElementsByTagName("Input");
    var errMsgColl = new Array();
    var submitReturn = true;        
    var employeeId;
    var userPassword;    
    
    //Validate Login 
    employeeId = document.getElementById('txtUserName').value;
    
    userPassword = document.getElementById('txtPassword').value;

    if( employeeId == '' && userPassword == '' )
    {
        errMsgColl.push("Employee Id is required");
        errMsgColl.push("Password is required");    
    }    
    else if(employeeId == '')
    {
        errMsgColl.push("Employee Id is required"); 
    }
    else if(userPassword == '')
    {
        errMsgColl.push("Password is required"); 
    }
    
    if(errMsgColl.length > 0)
    {
        ManageError(errMsgColl, errCtrlId);
        submitReturn = false;
    }
    
    return submitReturn;
}