var who="gardner";
var len=0
var index=0;
var img2 = new Array();
var scroll_offset;
var scroll_speed;
var scroll_width;

if( window.XMLHttpRequest )
	{
	xmlObj = new XMLHttpRequest();
	xmlObj.onload = listEls;
	xmlObj.onreadystatechange = listEls; 
	}
else if( window.ActiveXObject )
	{
	xmlObj = new ActiveXObject( "Microsoft.XMLHTTP" );
	xmlObj.onreadystatechange = listEls; 
	}
xmlObj.open( 'GET', "img.php?who="+who, true );
xmlObj.send( null );


function listEls() {
	if( xmlObj.readyState != 4) return;
	
	var imgInd=0;
	valArray = xmlObj.responseText.split( "\n" );
	for( var i=0; i <= valArray.length; i++ )
		{
		if( typeof( valArray[i] ) != "undefined" )
			{
			if( valArray[i].length > 4 )
				{
				img2[imgInd] = valArray[i];
				imgInd++;
				len++;
				}
			}	
		}
}

function rotateImg( tag ) {
	document.getElementById(tag).src = "img/emp/"+img2[index];
	index++;
	if( index > (len-1) )
		index = 0;
	setTimmer( tag );
}

function setPic( tag ) {
	setTimmer( tag );
}

function setTimmer( tag ) {
	var t = setTimeout( 'rotateImg("'+tag+'")', 5000 );
}



function InitScroller( tag, px_offset, swidth, speed )
{
	scroll_offset = (px_offset*-1);
	scroll_speed = speed;
	scroll_width = swidth;
	var elm = document.getElementById( tag );
	elm.style.left = scroll_width+"px";
	var t = setTimeout( 'scroll_text("'+tag+'")', 1500 );
}


function scroll_text( tag )
{
	var elm = document.getElementById( tag );
	var left = parseInt(elm.style.left);
	if( left <= scroll_offset )
		left = scroll_width;
	
	elm.style.left = (left-1)+"px";
	var t = setTimeout( 'scroll_text("'+tag+'")', scroll_speed );
}

function popup_pic( img_name )
{
	var pic_url = "img/"+img_name+"";
	window.open( pic_url, "Picture", "left=20,top=20,width=600,height=600,toolbar=0,location=0,status=0,menubar=0,resizable=0");
}


function verify_refill( )
{
	if( document.refill_request.fname.value.length <= 0 )
		{
		alert( "You must enter a first name." );
		document.refill_request.fname.focus();
		return;
		}
	else if( document.refill_request.lname.value.length <= 0 )
		{
		alert( "You must enter a last name." );
		document.refill_request.lname.focus();
		return;
		}
	else if( document.refill_request.rxnum1.value.length < 6 )
		{
		alert( "You must enter in atleast one valid rx number for refill.");
		document.refill_request.rxnum1.focus();
		return;
		}
	document.refill_request.submit();
}