function navOn(dest) { 
	var desttext = dest+'txt';
	document[desttext].src = '/img/nav-over/'+dest+'.gif';
	var desticon = dest+'icon';
	document[desticon].src = '/img/nav-over/'+desticon+'.gif'; 
}

function navOff(dest) {
	var desttext = dest+'txt';
	document[desttext].src = '/img/nav/'+dest+'.gif';
	var desticon = dest+'icon';
	document[desticon].src = '/img/nav/'+desticon+'.gif'; 
}

var slider=function(){
	var array=[]; var speed=10; var timer=10;
	return{
		init:function(t,c){
			var s,ds,l,i,y;
			s=document.getElementById(t); ds=s.getElementsByTagName('div'); l=ds.length; i=y=0;
			for(i=0;i<l;i++){
				var d,did; d=ds[i]; did=d.id;
				if(did.indexOf("header")!=-1){
					y++; d.onclick=new Function("slider.process(this)");
				}else if(did.indexOf("content")!=-1){
					array.push(did.replace('-content',''));
					if(c==y){d.style.display='block'}
					else{d.style.height='0px'; d.style.display='none'}
				} 
			}
		},
		process:function(d){
			var cl,i; cl=array.length; i=0;
			for(i;i<cl;i++){
				var s,h,c,cd;
				s=array[i]; h=document.getElementById(s+'-header');
				c=s+'-content'; cd=document.getElementById(c); clearInterval(cd.timer);
				if(h==d&&cd.style.display=='none'){
					cd.style.display='block';
                                   if(!cd.maxh){cd.style.height='auto'; cd.maxh=cd.offsetHeight; cd.style.height='0px'}
					this.islide(c,1);
				}else if(cd.style.display=='block'){this.islide(c,-1)}
			}
		},
		islide:function(i,d){var c,m; c=document.getElementById(i); m=c.maxh; c.direction=d; c.timer=setInterval("slider.slide('"+i +"')",timer)},
		slide:function(i){
			var c,m,h,dist; c=document.getElementById(i); m=c.maxh; h=c.offsetHeight;
			dist=(c.direction==1)?Math.round((m-h)/speed):Math.round(h/speed);
			if(dist<=1){dist=1}
			c.style.height=h+(dist*c.direction)+'px'; c.style.opacity=h/c.maxh; c.style.filter='alpha(opacity='+(h*100/c.maxh)+')';
			if(h<2&&c.direction!=1){
				c.style.display='none'; clearInterval(c.timer);
			}else if(h>(m-2)&&c.direction==1){clearInterval(c.timer)}
		}
};}();

function jumptoanchor(paraId) {
	var element = document.getElementById(paraId);
	element.scrollIntoView(true);
}

/*************** FORM *************/

function checkAll(frm, checkedOn) {
    // have we been passed an ID
    if (typeof frm == "string") {
        frm = document.getElementById(frm);
    }

    // Get all of the inputs that are in this form
    var inputs = frm.getElementsByTagName("input");

    // for each input in the form, check if it is a checkbox
    for (var i = 0; i < inputs.length; i++) {
        if (inputs[i].type == "checkbox") {
            inputs[i].checked = checkedOn;
        }
    }
	
	// submit the form to update it.
	document.filterform.submit();
}

function getURL(base, val){ 
  	location = base + val; 
  	return false; 
}