//function to validate form values on update button click
function OnClickOfAdminMasterUpdateBtn()
{
  	var strMsg='';
	//Trim() function is called to trim leading and trailing white spaces in a string
    //-------------------------------------------------------------------------------    
    document.getElementById('txtAMUserName').value=Trim(document.getElementById('txtAMUserName').value,'');
    document.getElementById('txtAMPassword').value=Trim(document.getElementById('txtAMPassword').value,'');
    
    if(document.getElementById("txtAMUserName").value=="")
	{	
	 	document.getElementById("lblAMErrUserName").innerText="*";//for IE browser
		document.getElementById("lblAMErrUserName").textContent="*";//for FireFox browser
		document.getElementById("lblAMErrPassword").innerText="";//for IE browser
		document.getElementById("lblAMErrPassword").textContent="";//for FireFox browser
		document.getElementById("lblAdminMasterErrMsg").innerText="";//for IE browser
		document.getElementById("lblAdminMasterErrMsg").textContent="";//for FireFox browser
		document.getElementById("txtAMUserName").focus();
	}
	else if(document.getElementById("txtAMUserName").value.length<6)
	{	
	 	strMsg="UserName should be minimum of 6 characters!";
	 	document.getElementById("lblAMErrUserName").innerText="";//for IE browser
		document.getElementById("lblAMErrUserName").textContent="";//for FireFox browser
		document.getElementById("lblAMErrPassword").innerText="";//for IE browser
		document.getElementById("lblAMErrPassword").textContent="";//for FireFox browser
		document.getElementById("lblAdminMasterErrMsg").innerText=strMsg;//for IE browser
		document.getElementById("lblAdminMasterErrMsg").textContent=strMsg;//for FireFox browser
		document.getElementById("txtAMUserName").focus();
	}
	else if(RestrictSpecialCharacters(document.getElementById("txtAMUserName").value))
	{	
	 	strMsg="Special Characters ( '  \"  & ) are not allowed!";
	 	document.getElementById("lblAMErrUserName").innerText="";//for IE browser
		document.getElementById("lblAMErrUserName").textContent="";//for FireFox browser
		document.getElementById("lblAMErrPassword").innerText="";//for IE browser
		document.getElementById("lblAMErrPassword").textContent="";//for FireFox browser
		document.getElementById("lblAdminMasterErrMsg").innerText=strMsg;//for IE browser
		document.getElementById("lblAdminMasterErrMsg").textContent=strMsg;//for FireFox browser
		document.getElementById("txtAMUserName").focus();
	}
	else if(document.getElementById("txtAMPassword").value=="")
	{	
	 	document.getElementById("lblAMErrUserName").innerText="";//for IE browser
		document.getElementById("lblAMErrUserName").textContent="";//for FireFox browser
		document.getElementById("lblAMErrPassword").innerText="*";//for IE browser
		document.getElementById("lblAMErrPassword").textContent="*";//for FireFox browser
		document.getElementById("lblAdminMasterErrMsg").innerText="";//for IE browser
		document.getElementById("lblAdminMasterErrMsg").textContent="";//for FireFox browser
		document.getElementById("txtAMPassword").focus();
	}
	else if(document.getElementById("txtAMPassword").value.length<6)
	{
	 	strMsg="Password should be minimum of 6 characters!";
	 	document.getElementById("lblAMErrUserName").innerText="";//for IE browser
		document.getElementById("lblAMErrUserName").textContent="";//for FireFox browser
		document.getElementById("lblAMErrPassword").innerText="";//for IE browser
		document.getElementById("lblAMErrPassword").textContent="";//for FireFox browser
		document.getElementById("lblAdminMasterErrMsg").innerText=strMsg;//for IE browser
		document.getElementById("lblAdminMasterErrMsg").textContent=strMsg;//for FireFox browser
		document.getElementById("txtAMPassword").focus();
	}
	else if(RestrictSpecialCharacters(document.getElementById("txtAMPassword").value))
	{	
	 	strMsg="Special Characters ( '  \"  & ) are not allowed!";
	 	document.getElementById("lblAMErrUserName").innerText="";//for IE browser
		document.getElementById("lblAMErrUserName").textContent="";//for FireFox browser
		document.getElementById("lblAMErrPassword").innerText="";//for IE browser
		document.getElementById("lblAMErrPassword").textContent="";//for FireFox browser
		document.getElementById("lblAdminMasterErrMsg").innerText=strMsg;//for IE browser
		document.getElementById("lblAdminMasterErrMsg").textContent=strMsg;//for FireFox browser
		document.getElementById("txtAMPassword").focus();
	}
	else
	{
		document.getElementById("lblAMErrUserName").innerText="";//for IE browser
		document.getElementById("lblAMErrUserName").textContent="";//for FireFox browser
		document.getElementById("lblAMErrPassword").innerText="";//for IE browser
		document.getElementById("lblAMErrPassword").textContent="";//for FireFox browser
		document.getElementById("lblAdminMasterErrMsg").innerText="";//for IE browser
		document.getElementById("lblAdminMasterErrMsg").textContent="";//for FireFox browser
		//function called to get all form values and submit form by AJAX
		formget(document.getElementById('frmAdminMaster'),"./adminmaster.php","lblAdminMasterErrMsg");
	}
}