// PRELOAD THE LOGIN NAVIGATION IMAGES
if(document.images){
	pic4= new Image(180,26); 
	pic4.src="http://www.tahra.org/images/css_images/join-button_on.gif"; 
	pic5= new Image(180,26); 
	pic5.src="http://www.tahra.org/images/css_images/login-button_on.gif";
	pic6= new Image(180,26); 
	pic6.src="http://www.tahra.org/images/css_images/pay-button_on.gif";
	pic7= new Image(19,19); 
	pic7.src="http://www.tahra.org/images/css_images/go-button_on.gif";
}

function toggleBox(szDivID, iState){ // 1 visible, 0 hidden - SHOULD BE DEPRECATED, BUT MAY STILL BE IN USE
   	if(document.layers){ //NN4+
      		document.layers[szDivID].display = iState ? "block" : "none";
   	}else if(document.getElementById){ //gecko(NN6) + IE 5+
   		var obj = document.getElementById(szDivID);
       	obj.style.display = iState ? "block" : "none";
  	 	}else if(document.all){	//IE 4
   		document.all[szDivID].style.display = iState ? "block" : "none";
   	}
}

function toggleOption(val, divID) {
	document.getElementById(divID).style.display = (val) ? 'block' : 'none';
}

function ckall(parent, pre, amount){
	var test = document.getElementById(parent).checked;
	for(var i=1; i<= amount; i++){
		var ele = pre+'_'+i;
		if(test)
			document.getElementById(ele).checked = true;
		else
			document.getElementById(ele).checked = false;
	}
}
function moveBox(e, divId) {
	var posx = 0;
	var posy = 0;
	if (!e) var e = window.event;
	
	if (e.pageX || e.pageY){
		posx = e.pageX;
		posy = e.pageY;
	}else if (e.clientX || e.clientY){
		posx = e.clientX + document.body.scrollLeft + document.documentElement.scrollLeft;
		posy = e.clientY + document.body.scrollTop + document.documentElement.scrollTop;
	}
	document.getElementById(divId).style.left = posx + 10 + 'px';
	document.getElementById(divId).style.top = posy + 'px';
}
function changeMessage(iMessage, divId) {
	var message = new Array();
	message[0]='Header +++ Detail';
	var parts = new Array();
	parts = message[iMessage].split(' +++ ');
	mTitle = parts[0]; mBody = parts[1];
	var content = '<h1>Message</h1><h2>' + mTitle + ':</h2><p>' + mBody + '</p>';
	document.getElementById(divId).innerHTML = content;
	toggleBox(divId, 1);
}
function showHide(id) {
	var e = document.getElementById(id);
	if(e.style.display == '')
	e.style.display = 'none';
	else
	e.style.display = '';
}
function clickClear(field) {
	var defaultText = field.value;
	if (field.value == defaultText) {
		field.value = "";
	}
}