// JavaScript Document

if(document.images) {
	iso_up = new Image;
	iso_over = new Image;
	iso_up.src = "images/iso_img.png";
	iso_over.src = "images/iso_img_o.png";
	login_up = new Image;
	login_over = new Image;
	login_up.src = "images/login_u.png";
	login_over.src = "images/login_o.png";
	btt_up = new Image;
	btt_over  = new Image;
	btt_up.src = "images/btt.png";
	btt_over.src = "images/btt_o.png";
} else {
	iso_up = "";
	iso_over = "";
	document.iso_img_menu = "";
	login_up = "";
	login_over = "";
	document.login_img = "";
	btt_up = "";
	btt_over = "";
	document.btt_img = "";
}


window.onresize= menu_for_small;


function menu_for_small() {
 	if(document.body.clientWidth<850) {
		document.getElementById('iso_img_header').width='127';
		document.getElementById('iso_img_menu').width='0';
	} else {
		document.getElementById('iso_img_header').width='0';
		document.getElementById('iso_img_menu').width='127';
	}
	btt_placement();
}

window.onscroll= btt_placement;


function btt_placement() {
	if(document.getElementById('btt')) {
		var agt=navigator.userAgent.toLowerCase();
		if(agt.indexOf("safari")!=-1) {
			var w=self.innerWidth;
			var h=self.innerHeight;
		} else {
			var w=document.body.clientWidth;
			var h=document.body.clientHeight;
		}
		if( typeof( window.pageYOffset ) == 'number' ) {
			//Netscape compliant
			var o=scrOfY = window.pageYOffset;
		} else if( document.body && ( document.body.scrollLeft || document.body.scrollTop ) ) {
			//DOM compliant
			var o=document.body.scrollTop;
		} else if( document.documentElement && ( document.documentElement.scrollLeft || document.documentElement.scrollTop ) ) {
			//IE6 standards compliant mode
			var o=document.documentElement.scrollTop;
		}
		if(o>0) {
			h+=o;
			if(!left_nav) {
				document.getElementById('btt').style.left=w-83 + 'px';
			}
			document.getElementById('btt').style.top=h-40 + 'px';
			document.getElementById('btt').style.visibility='visible';
		} else {
			document.getElementById('btt').style.visibility='hidden';
		}
	}
}

function menu_hide() {
	document.getElementById('tech_drop').style.visibility='hidden';
	for(var i=1;i<=cnt;i++) {
		document.getElementById('tech_drop' + i).style.visibility='hidden';
		document.getElementById('tech_drop' + i).style.top='-500px';
	}
	document.getElementById('lab_drop').style.visibility='hidden';
	document.getElementById('lab_drop2').style.visibility='hidden';
	document.getElementById('contact_drop').style.visibility='hidden';
	document.getElementById('about_drop').style.visibility='hidden';
	document.getElementById('hider').style.visibility='hidden';
}
function menu_show(menu_id) {
	document.getElementById('tech_drop').style.visibility='hidden';
	for(var i=1;i<=cnt;i++) {
		document.getElementById('tech_drop' + i).style.visibility='hidden';
		document.getElementById('tech_drop' + i).style.top='-500px';
	}
	document.getElementById('lab_drop').style.visibility='hidden';
	document.getElementById('lab_drop2').style.visibility='hidden';
	document.getElementById('contact_drop').style.visibility='hidden';
	document.getElementById('about_drop').style.visibility='hidden';
	document.getElementById('hider').style.visibility='visible';
	document.getElementById(menu_id).style.visibility='visible';
}
function menu_show2(menu_id,div_id) {
	div_top = div_offset[div_id];
	document.getElementById('lab_drop2').style.visibility='hidden';
	if(menu_id=='') {
		for(var i=1;i<=cnt;i++) {
			document.getElementById('tech_drop' + i).style.visibility='hidden';
			document.getElementById('tech_drop' + i).style.top=div_top + 'px';
		}
		document.getElementById('tech_drop'+(div_id+1)).style.visibility='visible';
	} else {
		document.getElementById(menu_id).style.visibility='visible';
	}
}
function offset_init() {
	div_offset = new Array();
	div_offset[0] = 30;
	var total = div_offset[0];
	for(var i=1;i<=cnt;i++) {
		total+=document.getElementById('tech_'+(i-1)).offsetHeight;
		div_offset[i]=total;
	}
}

function mac_alignment_fix() {
	var agt=navigator.userAgent.toLowerCase();
	if(agt.indexOf("macintosh")!=-1) {
		document.getElementById('tech_drop').style.left = "317px";
		document.getElementById('lab_drop').style.left = "243px";
	}
}

function login_validate() {
	if(document.getElementById('username').value=='') {
		alert ("Please enter a username.");
		document.getElementById('username').focus();
	} else if (document.getElementById('password').value=='') {
		alert ("Please enter a password.");
		document.getElementById('password').focus();
	} else {
		document.login_form.submit();
	}
}

function expandLayer(this_layer) {
	document.getElementById(this_layer).blur();
	
	if(document.getElementById(this_layer).style.display=='none') {
		document.getElementById(this_layer).style.display='block';
		document.getElementById(this_layer+"_more").style.display='none';
		document.getElementById(this_layer+"_less").style.display='block';
		//document.getElementById(this_layer + '_header').style.backgroundImage='url(../images/arrow_down.gif)';
		
	} else {
		document.getElementById(this_layer).style.display='none';
		document.getElementById(this_layer+"_more").style.display='block';
		document.getElementById(this_layer+"_less").style.display='none';
		//document.getElementById(this_layer + '_header').style.backgroundImage='url(../images/arrow_right.gif)';
	}
}


function dl_pdf(file_name) {
	var url = "admin/_dl_f.php?fn=" + file_name;
	window.location=url;
}  
/*
function set_side_nav () {
	var loc=window.location.toString();
	if(loc.indexOf("whatsnew")!=-1) {
		expandLayer('whats_new_div');
	}
	if(loc.indexOf("tradeshow")!=-1) {
		expandLayer('trade_show_div');
	}
}
*/
MM_preloadImages('images/login_o.png');

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 findimg() {
	img = window.location.href;
	img_a = img.split("?");
	img = img_a[(img_a.length-1)];
	document.getElementById('img_l').src="gallery/" + img;
	
}
function open_img(img_name,width,height) { 
	 window.open ("pop_window.php?image=" + img_name, "img_pop","menubar=0,location=0,status=0,scrollbars=0,resizable=1,width=" + width + ",height=" + height);
	
}