/* moving down a few lines
 * in an attempt to resolve 
 * the issue with the javascript error.
 */
function changeFontSize(inc)
{
	var p = document.getElementsByTagName('p');
	if (p.length > 0) {
		for (n = 0; n < p.length; n++) {
			p[n].style.fontSize = inc + "em";
		}
	}
	var l = document.getElementsByTagName('li');
	if (l.length > 0) {
		for (k = 0; k < l.length; k++) {
			l[k].style.fontSize = inc + "em";
		}
	}
	var z = document.getElementsByTagName('a');
	if (z.length > 0) {
		for (u = 0; u < z.length; u++) {
			z[u].style.fontSize = inc + "em";
		}
	}
	document.getElementById('fontchanger1').style.fontSize = "11px";
	document.getElementById('fontchanger2').style.fontSize = "12px";
	document.getElementById('fontchanger3').style.fontSize ="13px";
	document.getElementById('fontchanger4').style.fontSize = "11px";
	document.getElementById('fontchanger5').style.fontSize = "12px";
	document.getElementById('fontchanger6').style.fontSize ="13px";	
}
function setFontCookie(inc) {
	var expiredate = new Date();
	expiredate.setDate(expiredate.getDate()+7);
	document.cookie="ga_dhc_fontholder" + "=" + escape(inc) + ";expires=" + expiredate.toGMTString();
}
function getFontCookie(){
	var inc = "1.5em";
	if (document.cookie.length>0)
	{
		c_start=document.cookie.indexOf("ga_dhc_fontholder" + "=");
		if (c_start!=-1)
		{
			c_start=c_start + "ga_dhc_fontholder".length+1;
			c_end=document.cookie.indexOf(";",c_start);
			if (c_end==-1) c_end=document.cookie.length;
			inc = unescape(document.cookie.substring(c_start,c_end));		
		}
	}
	if (inc>0) {
		changeFontSize(inc);
	}
}
function clickFontSize(inc){
	changeFontSize(inc);
	setFontCookie(inc)
}
/* function for printing thumbnails */
function thumbprint(selection,imgheight,imgwidth)
{
	var framing = 'width=' + imgwidth + ',height=' + imgheight;
	var a = window.open('','',framing);
	var targetimage = "enlargeimage" + selection;
	a.document.open("text/html");
	a.document.write(document.getElementById(targetimage).innerHTML);
	a.document.close();
	a.print();
	a.close();
}
var exit = true;
function launchexitsurvey(){
	if (exit) {
	var option = "scrollbars=1,resizable=1,toolbar=1,width=650,height=400";
	window.open(surveyURL,"Survey",option);
	}
}