/*
 # Increases the size of the font in <p> tags.  
 # To add other tags just add document.getElementsByTagName('p'); that for each tag.
 */

var min=8;
var max=18;
function increaseFontSize() {
   var p = document.getElementsByTagName('p');
   for(i=0;i<p.length;i++) {
      
      p[i].style.fontSize = 18+"px"
   }
}
function decreaseFontSize() {
   var p = document.getElementsByTagName('p');
   for(i=0;i<p.length;i++) {
      p[i].style.fontSize = 12+"px"
   }   
}


/* ================================================================ 
This copyright notice must be kept untouched in the stylesheet at 
all times.

The original version of this script and the associated (x)html
is available at http://www.stunicholls.com/menu/pro_drop_1.html
Copyright (c) 2005-2007 Stu Nicholls. All rights reserved.
This script and the associated (x)html may be modified in any 
way to fit your requirements.
=================================================================== */

stuHover = function() {
	var cssRule;
	var newSelector;
	for (var i = 0; i < document.styleSheets.length; i++)
		for (var x = 0; x < document.styleSheets[i].rules.length ; x++)
			{
			cssRule = document.styleSheets[i].rules[x];
			if (cssRule.selectorText.indexOf("LI:hover") != -1)
			{
				 newSelector = cssRule.selectorText.replace(/LI:hover/gi, "LI.iehover");
				document.styleSheets[i].addRule(newSelector , cssRule.style.cssText);
			}
		}
	var getElm = document.getElementById("nav").getElementsByTagName("LI");
	for (var i=0; i<getElm.length; i++) {
		getElm[i].onmouseover=function() {
			this.className+=" iehover";
		}
		getElm[i].onmouseout=function() {
			this.className=this.className.replace(new RegExp(" iehover\\b"), "");
		}
	}
}
if (window.attachEvent) window.attachEvent("onload", stuHover);

function validateSearchText() {
	var srchtxtbox = document.getElementById('searchtextbox');
	if (srchtxtbox.value == '') {
		alert('Please enter one or more search terms.');
		srchtxtbox.focus();
		return false;
	}
	return true;
}

function doSearch(searchpath) {
    if(validateSearchText()) {
        var valid = 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789- ';
        var searchText = '';
        var temp = document.getElementById('searchtextbox').value;
        for (i = 0; i < temp.length; i++)
            if (valid.indexOf(temp.charAt(i)) > -1)
                searchText += temp.charAt(i);
        window.location.replace(searchpath + '&q=' + searchText);
    }    
}

function onSearchEnter(evt, searchUrl) {
    var keyCode = null;
    if(evt.which)
        keyCode = evt.which;
    else if(evt.keyCode)
        keyCode = evt.keyCode;
    if(keyCode == 13) {
        doSearch(searchUrl);
        return false;
    }
    return true;
}