/* 
JavaScript Document
Gilgamesh webdesign
for stadsgesprekken Den Haag
auteur J.M. VESTER
feb 2005

/* ################## CHECK CLIENT COMPUTER #################### */
/* whichBrowser */
var userAgent = navigator.userAgent.toLowerCase();
var is_opera  = (userAgent.indexOf('opera') != -1);
var is_saf    = ((userAgent.indexOf('applewebkit') != -1) || (navigator.vendor == "Apple Computer, Inc."));
var is_mac	  = (navigator.appVersion.indexOf("Mac") != -1);
var is_macPPC = (is_mac && (navigator.appVersion.indexOf("PPC") != -1 || navigator.appVersion.indexOf("PowerPC") != -1));
var is_webtv  = (userAgent.indexOf('webtv') != -1);
var is_ie     = ((userAgent.indexOf('msie') != -1) && (!is_opera) && (!is_saf) && (!is_webtv));
var is_ie4    = ((is_ie) && (userAgent.indexOf("msie 4.") != -1));
var is_ie5    = ((is_ie) && (userAgent.indexOf("msie 5.") != -1));
var is_ie6    = ((is_ie) && (userAgent.indexOf("msie 6.") != -1));
var is_moz    = ((navigator.product == 'Gecko') && (!is_saf));
var is_kon    = (userAgent.indexOf('konqueror') != -1);
var is_ns     = ((userAgent.indexOf('compatible') == -1) && (userAgent.indexOf('mozilla') != -1) && (!is_opera) && (!is_webtv) && (!is_saf));
var is_ns4    = ((is_ns) && (parseInt(navigator.appVersion) == 4));
var is_ns5    = ((is_ns) && (parseInt(navigator.appVersion) == 5));
var is_safari  = (userAgent.indexOf('safari') != -1);
var is_ieMac  = ((is_macPPC) && (is_ie));

// catch possible bugs with WebTV and other older browsers
var is_regexp = (window.RegExp) ? true : false;

/* whichDOM */
var vbDOMtype = '';
if (document.getElementById){
	vbDOMtype = "std";
}else if (document.all){
	vbDOMtype = "ie4";
}else if (document.layers){
	vbDOMtype = "ns4";
}
/* END ###############CHECK CLIENT COMPUTER #################### */