window.onload = function(){setScreenClass();setBehavior();}; 
window.onresize = setScreenClass;

//  Following transition classes will be declared:
//
//	classname		  screenwidth
//	------------------------------------------
//	pda_v			  240px			Deleted
//	pda_h			  320px			Deleted
//	ultralow		  320px -  600px	
//	screen_lo		  600px -  800px	
//	screen_med		  800px - 1000px	
//	screen_hi		 1000px - 1280px	
//	screen_wide				> 1280px			


function setScreenClass(){
	var fmt = document.documentElement.clientWidth;
	var cls = (fmt<=600)?'screen_ultralow':(fmt>600&&fmt<=800)?'screen_low':(fmt>800&&fmt<=1000)?'screen_med':(fmt>1000&&fmt<=1280)?'screen_high':'screen_wide';
	document.getElementById('count').innerHTML=fmt+'px -> '+cls;
	document.body.className=cls;
};


function setBehavior(){
	tabs = document.getElementsByTagName('dt');
	for (t=0;t < tabs.length; t++ ){
		if(tabs[t].parentNode.parentNode.className == 'tabbed'){
			tabs[t].onclick = activateTab;
			//alert(tabs[t].onclick);
		}
	}
};

function activateTab(){
	tabs = document.getElementsByTagName('dt');
	for (t=0;t < tabs.length; t++ ){
		if(tabs[t].className == 'current'){tabs[t].className="";}
	}
	page = document.getElementsByTagName('dd');
	for (t=0;t < page.length; t++ ){
		if(page[t].className == 'current'){page[t].className="";}
	}
	this.className="current";
	dd = this.nextSibling;
	if(dd.nodeType!=1){dd = dd.nextSibling;}
	dd.className="current";		
};