/*************************************
* core.js by Oliver Zeidler, 2010    *
* collection of javascript functions *
* last edit: 03 16 2010 12:27 pm     *
**************************************/


// Copied functions from Dreamweaver

function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}
function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}
function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}


// LOGIN FORM VALIDATOR
function loginform() {
	if (document.getElementById('username').value!='user name' && 
		document.getElementById('username').value!='' && 
		document.getElementById('password').value!='password' &&
		document.getElementById('password').value!=''){
			
		location.href='loginform.php?username='+document.getElementById('username').value+'&password='+document.getElementById('password').value;
			}
	
	else {
//document.getElementById('username').value="";
document.getElementById('username').style.borderColor="#E803D8";
document.getElementById('username').style.backgroundColor="#FFF2FE";
document.getElementById('username').style.backgroundImage="url(incorrect.gif)";
//document.getElementById('password').value="";
document.getElementById('password').style.borderColor="#E803D8";
document.getElementById('password').style.backgroundColor="#FFF2FE";
document.getElementById('password').style.backgroundImage="url(incorrect.gif)";		
		}
}


// eMAIL FORM VALIDATOR
function validate_form() {

validity = true; // assume valid

// Default
document.emailform.name.style.borderColor="#00B6F1";
document.emailform.name.style.backgroundColor="#FFFFFF";
document.emailform.name.style.backgroundImage="";
document.emailform.number.style.borderColor="#00B6F1";
document.emailform.number.style.backgroundColor="#FFFFFF";
document.emailform.number.style.backgroundImage="";
document.emailform.message.style.borderColor="#00B6F1";
document.emailform.message.style.backgroundColor="#FFFFFF";
document.emailform.message.style.backgroundImage="";
document.emailform.email.style.borderColor="#00B6F1";
document.emailform.email.style.backgroundColor="#FFFFFF";
document.emailform.email.style.backgroundImage="";


if (!check_empty(document.emailform.name.value))
{ validity = false; 
//opacity('name', 30, 100, 300);
document.emailform.name.style.borderColor="#E803D8";
document.emailform.name.style.backgroundColor="#FFF2FE";
document.emailform.name.style.backgroundImage="url(incorrect.gif)";
//alert('Please enter your name!'); 
}


if (!check_empty(document.emailform.number.value))
{ validity = false; 
//opacity('number', 30, 100, 300);
document.emailform.number.style.borderColor="#E803D8";
document.emailform.number.style.backgroundColor="#FFF2FE";
document.emailform.number.style.backgroundImage="url(incorrect.gif)";
//alert('Please enter a number!'); 
}


if (!check_empty(document.emailform.message.value))
{ validity = false; 
//opacity('message', 30, 100, 300);
document.emailform.message.style.borderColor="#E803D8";
document.emailform.message.style.backgroundColor="#FFF2FE";
document.emailform.message.style.backgroundImage="url(incorrect.gif)";
//alert('Please enter a message!'); 
}

if (!check_email(document.emailform.email.value))
{ validity = false; 
//opacity('email', 30, 100, 300);
document.emailform.email.style.borderColor="#E803D8";
document.emailform.email.style.backgroundColor="#FFF2FE";
document.emailform.email.style.backgroundImage="url(incorrect.gif)";
//alert('eMail address is invalid!'); 
}

if (validity == true ) {
document.getElementById("emailform").style.height='1px';	
document.getElementById("emailform").style.visibility='hidden';	
//opacity('thankyou_text', 0, 100, 2000);
document.getElementById("thankyou_text").innerHTML='<center><br><br><br><br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<img src=loader.gif></center>';
setTimeout("document.getElementById('thankyou_text').innerHTML='<center><br><br><br><br><b>&nbsp;&nbsp;&nbsp;&nbsp;Thank you for your interest in our services.<br><br>&nbsp;&nbsp;&nbsp;&nbsp;We will be contacting you shortly.</b></center>'",2000);
}


return validity;
}


function check_empty(text) {
return (text.length > 0); // returns false if empty
}


function check_email(address) {
if ((address == "")
|| (address.indexOf ('@') == -1)
|| (address.indexOf ('.') == -1))
return false;
return true;
}








// FADE EFFECT

function opacity(id, opacStart, opacEnd, millisec) {
    //speed for each frame
    var speed = Math.round(millisec / 100);
    var timer = 0;

    if(opacStart > opacEnd) {
        for(i = opacStart; i >= opacEnd; i--) {
            setTimeout("changeOpac(" + i + ",'" + id + "')",(timer * speed));
            timer++;
        }
    } else if(opacStart < opacEnd) {
        for(i = opacStart; i <= opacEnd; i++)
            {
            setTimeout("changeOpac(" + i + ",'" + id + "')",(timer * speed));
            timer++;
        }
    }
}

function changeOpac(opacity, id) {
    var object = document.getElementById(id).style;
    object.opacity = (opacity / 100);
    object.MozOpacity = (opacity / 100);
    object.KhtmlOpacity = (opacity / 100);
    object.filter = "alpha(opacity=" + opacity + ")";
} 


function shiftOpacity(id, millisec) {
	
     if(document.getElementById(id).style.opacity == 0) {
        opacity(id, 0, 100, millisec);
    } else {
        opacity(id, 100, 0, millisec);
    } 
     
}