function toggle() {
	var ele = document.getElementById("toggleFlags");
	var Flags = document.getElementById("displayFlags");
	if(ele.style.display == "block") {
    		ele.style.display = "none";
		Flags.innerHTML = "show";
  	}
	else {
		ele.style.display = "block";
		Flags.innerHTML = "hide";
	}
}

function trim(strText){
    while (strText.substring(0,1) == ' ')
	strText = strText.substring(1, strText.length);

    while (strText.substring(strText.length-1,strText.length) == ' ')
	strText = strText.substring(0, strText.length-1);

    return strText;
}

function doSendFriends(){
    var s="";
    if(trim(document.frmFriends.username.value)==""){
		s=s+"Please, fill \"Username\" field !\r\n";
	}
    if(trim(document.frmFriends.fname.value)==""){
		s=s+"Please, fill \"First Name\" field !\r\n";
	}
	if(trim(document.frmFriends.lname.value)==""){
		s=s+"Please, fill \"Last Name\" field !\r\n";
	}
	if((trim(document.frmFriends.emails_1.value)=="") && (trim(document.frmFriends.emails_2.value)=="") && (trim(document.frmFriends.emails_3.value)=="") && (trim(document.frmFriends.emails_4.value)=="") && (trim(document.frmFriends.emails_5.value)=="")){
		s=s+"Please, enter your \"Friend's Email Address\" !\r\n";
	}
	var rx=new RegExp("^[\\w\.=-]+@[\\w\\.-]+\\.[a-z]{2,4}$");
	if((!rx.test(document.frmFriends.emails_1.value)) && (trim(document.frmFriends.emails_1.value)!="")){
		s=s+"Please, verify your \"Your friend's email\" !\r\n";
	}
	var rx=new RegExp("^[\\w\.=-]+@[\\w\\.-]+\\.[a-z]{2,4}$");
	if((!rx.test(document.frmFriends.emails_2.value)) && (trim(document.frmFriends.emails_2.value)!="")){
		s=s+"Please, verify your \"Your friend's email\" !\r\n";
	}
	var rx=new RegExp("^[\\w\.=-]+@[\\w\\.-]+\\.[a-z]{2,4}$");
	if((!rx.test(document.frmFriends.emails_3.value)) && (trim(document.frmFriends.emails_3.value)!="")){
		s=s+"Please, verify your \"Your friend's email\" !\r\n";
	}
	var rx=new RegExp("^[\\w\.=-]+@[\\w\\.-]+\\.[a-z]{2,4}$");
	if((!rx.test(document.frmFriends.emails_4.value)) && (trim(document.frmFriends.emails_4.value)!="")){
		s=s+"Please, verify your \"Your friend's email\" !\r\n";
	}
	var rx=new RegExp("^[\\w\.=-]+@[\\w\\.-]+\\.[a-z]{2,4}$");
	if((!rx.test(document.frmFriends.emails_5.value)) && (trim(document.frmFriends.emails_5.value)!="")){
		s=s+"Please, verify your \"Your friend's email\" !\r\n";
	}
	if(s!=""){
		alert(s);
		return;
	}
	document.frmFriends.submit();
}

function doSendContact(){
    var s="";
    if(trim(document.frmContact.username.value)==""){
		s=s+"Please, fill \"Username\" field !\r\n";
	}
    if(trim(document.frmContact.fname.value)==""){
		s=s+"Please, fill \"First Name\" field !\r\n";
	}
	if(trim(document.frmContact.lname.value)==""){
		s=s+"Please, fill \"Last Name\" field !\r\n";
	}
	if(trim(document.frmContact.message.value)==""){
		s=s+"Please, fill \"Your Message\" field !\r\n";
	}
	var rx=new RegExp("^[\\w\.=-]+@[\\w\\.-]+\\.[a-z]{2,4}$");
	if(!rx.test(document.frmContact.email.value)){
		s=s+"Please, verify your \"Your Email Address\" !\r\n";
	}
	if(s!=""){
		alert(s);
		return;
	}
	document.frmFriends.submit();
}