this.window.name = 'main';

function bccheck(){  
	this.ver=navigator.appVersion
	this.agent=navigator.userAgent
	this.dom=document.getElementById?1:0
	this.ie5=(this.ver.indexOf("MSIE 5")>-1 && this.dom)?1:0;
	this.ie6=(this.ver.indexOf("MSIE 6")>-1 && this.dom)?1:0;
	this.ie4=(document.all && !this.dom)?1:0;
	this.ie=this.ie4||this.ie5||this.ie6
	this.mac=this.agent.indexOf("Mac")>-1
	this.opera5=this.agent.indexOf("Opera 5")>-1
	this.ns6=(this.dom && parseInt(this.ver) >= 5) ?1:0; 
	this.ns4=(document.layers && !this.dom)?1:0;
	this.bc=(this.ie6 || this.ie5 || this.ie4 || this.ns4 || this.ns6 || this.opera5 || this.dom)
	return this
}

var bc = new bccheck();

if (bc.ns6){
	document.write('<link rel="StyleSheet" href="css/pro_sem_ns6.css" type="text/css" />');
}else if (bc.ns4){
	document.write('<link rel="StyleSheet" href="css/pro_sem_ns4.css" type="text/css" />');
}else{
	document.write('<link rel="StyleSheet" href="css/pro_sem.css" type="text/css" />');
}


if(document.images){ //preloads images
	gengloss = new Image; gengloss.src = "icons/gengloss.gif";
	genglossx = new Image; genglossx.src = "icons/genglossx.gif";
	genbio = new Image; genbio.src = "icons/genbio.gif";
	genbiox = new Image; genbiox.src = "icons/genbiox.gif";
	genchron = new Image; genchron.src = "icons/genchron.gif";
	genchronx = new Image; genchronx.src = "icons/genchronx.gif";
	res_img = new Image; res_img.src = "icons/resimg.gif";
	res_imgx = new Image; res_imgx.src = "icons/resimgx.gif";
	res_doc = new Image; res_doc.src = "icons/resdoc.gif";
	res_docx = new Image; res_docx.src = "icons/resdocx.gif";
	res_not = new Image; res_not.src = "icons/resnot.gif";
	res_notx = new Image; res_notx.src = "icons/resnotx.gif";
	res_hiup = new Image; res_hiup.src = "icons/reshiup.gif";
	res_hiupx = new Image; res_hiupx.src = "icons/reshiupx.gif";
	res_hidn = new Image; res_hidn.src = "icons/reshidn.gif";
	res_tit_img = new Image; res_tit_img.src = "icons/restit_img.gif";
	res_high_img = new Image; res_high_img.src = "icons/restit_himg.gif";
	res_tit_doc = new Image; res_tit_doc.src = "icons/restit_doc.gif";
	res_high_doc = new Image; res_high_doc.src = "icons/restit_hdoc.gif";
	res_tit_note = new Image; res_tit_note.src = "icons/restit_note.gif";
	res_high_note = new Image; res_high_note.src = "icons/restit_hnote.gif";
	res_tit_bib = new Image; res_tit_bib.src = "icons/restit_bib.gif";
	bletter = new Image; bletter.src = "icons/bletter.gif";
	bletterx = new Image; bletterx.src = "icons/bletterx.gif";
	bhome = new Image; bhome.src = "icons/bhome.gif";
	bhomex = new Image; bhomex.src = "icons/bhomex.gif";
	bchamber = new Image; bchamber.src = "icons/bchamber.gif";
	bchamberx = new Image; bchamberx.src = "icons/bchamberx.gif";
	bappease = new Image; bappease.src = "icons/bappease.gif";
	bappeasex = new Image; bappeasex.src = "icons/bappeasex.gif";
	brear = new Image; brear.src = "icons/brear.gif";
	brearx = new Image; brearx.src = "icons/brearx.gif";
	bres = new Image; bres.src = "icons/bres.gif";
	bresx = new Image; bresx.src = "icons/bresx.gif";
	bspeech = new Image; bspeech.src = "icons/bspeech.gif";
	bspeechx = new Image; bspeechx.src = "icons/bspeechx.gif";
	bcon = new Image; bcon.src = "icons/bcon.gif";
	bconx = new Image; bconx.src = "icons/bconx.gif";
	bnext = new Image; bnext.src = "icons/bnext.gif";
	bnextx = new Image; bnextx.src = "icons/bnextx.gif";
	bprevious = new Image; bprevious.src = "icons/bprevious.gif";
	bpreviousx = new Image; bpreviousx.src = "icons/bpreviousx.gif";
	bprev_on = new Image; bprev_on.src = "icons/bprev_on.gif";
	bprev_off = new Image; bprev_off.src = "icons/bprev_off.gif";
		bnext_on = new Image; bnext_on.src = "icons/bnext_on.gif";
	bnext_off = new Image; bnext_off.src = "icons/bnext_off.gif";
	
	spacer = new Image; spacer.src = "icons/spacer.gif";
	spacertop = new Image; spacer.src = "icons/spacertop.gif";
	f_home = new Image; f_home.src = "icons/f_home.gif";
	f_homex = new Image; f_homex.src = "icons/f_homex.gif";
	f_tn = new Image; f_tn.src = "icons/f_tn.gif";
	f_tnx = new Image; f_tnx.src = "icons/f_tnx.gif";
	f_usergui = new Image; f_usergui.src = "icons/f_usergui.gif";
	f_userguix = new Image; f_userguix.src = "icons/f_userguix.gif";
	f_credits = new Image; f_credits.src = "icons/f_credits.gif";
	f_creditsx = new Image; f_creditsx.src = "icons/f_creditsx.gif";
	f_top = new Image; f_top.src = "icons/f_top.gif";
	f_topx = new Image; f_topx.src = "icons/f_topx.gif";
}


function change(imageName,imageFile) {
	if(!document.images) return;
		eval('document.images[imageName].src = '+imageFile+'.src');	
	}