/* email to a colleague */

function mailpage() {
	mail_str = "mailto:?subject=Fwd: " + document.title;
	mail_str += "&body=I thought you might be interested in " + document.title + ". ";
	mail_str += "%0D%0A%0D%0A" + location.href; 
	location.href = mail_str;
}

/* show / hides */

function showHide(id) {
			moreDiv = "more"+id;
			moreBtn = "btn"+id;
			if (document.getElementById(moreDiv).style.display == 'none') {
				document.getElementById(moreBtn).style.display = 'none';
				document.getElementById(moreDiv).style.display = 'block';
			}
			else {
				document.getElementById(moreBtn).style.display = 'block';
				document.getElementById(moreDiv).style.display = 'none';
			}
		}
		function expandCollapse(id) {
			newsDiv = "news"+id;
			expandBtn = "expand"+id;
			collapseBtn = "collapse"+id;
			if (document.getElementById(expandBtn).style.display == 'block') {
				document.getElementById(expandBtn).style.display = 'none';
				document.getElementById(collapseBtn).style.display = 'block';
				document.getElementById(newsDiv).className = 'newsItemOn';
			}
			else {
				document.getElementById(expandBtn).style.display = 'block';
				document.getElementById(collapseBtn).style.display = 'none';
				document.getElementById(newsDiv).className = 'newsItem';
			}
		}

/* Navigation / Header swaps */

function showHdr(id) {
	if (document.getElementById('sensorDisplays').style.display == 'block') {
		id = 2;
	}
	else if (document.getElementById('sensorClients').style.display == 'block') {
		id = 3;
	}
	else if (document.getElementById('sensorCapabilities').style.display == 'block') {
		id = 4;
	}
	else if (document.getElementById('sensorDisplayFlash').style.display == 'block') {
		id = 5;
	}
	else if (document.getElementById('sensorAbout').style.display == 'block') {
		id = 6;
	}
	else if (document.getElementById('sensorIndustry').style.display == 'block') {
		id = 7;
	}
	else if (document.getElementById('sensorTradeshow').style.display == 'block') {
		id = 8;
	}
	for(i=1;i<=9;i++) {
		hdrDiv = 'navHdr'+i;
		if(i == id) {
			document.getElementById(hdrDiv).style.display = 'block';
		}
		else {
			document.getElementById(hdrDiv).style.display = 'none';
		}
	}	
}

function resetHdr(id) {	
	if (document.getElementById('sensorDisplays').style.display == 'block') {
		id = 2;
	}
	else if (document.getElementById('sensorClients').style.display == 'block') {
		id = 3;
	}
	else if (document.getElementById('sensorCapabilities').style.display == 'block') {
		id = 4;
	}
	else if (document.getElementById('sensorDisplayFlash').style.display == 'block') {
		id = 5;
	}
	else if (document.getElementById('sensorAbout').style.display == 'block') {
		id = 6;
	}
	else if (document.getElementById('sensorIndustry').style.display == 'block') {
		id = 7;
	}
	else if (document.getElementById('sensorTradeshow').style.display == 'block') {
		id = 8;
	}
	for(i=1;i<=9;i++) {
		hdrDiv = 'navHdr'+i;
		if(i == id) {
			document.getElementById(hdrDiv).style.display = 'block';
		}
		else {
			document.getElementById(hdrDiv).style.display = 'none';
		}
	}	
}