function toggle_with_link(div_id,link_id)
{
	var div = document.getElementById(div_id);
	var link = document.getElementById(link_id);
	if (div.style.display=='none')
	{
		div.style.display='block';
		link.innerHTML="- hide";
	}
	else	
	{
		div.style.display='none';
		link.innerHTML="+ view all";
	}
}

function go_url(url)
{
	document.location.href=url;
}

function validate_email(email) 
{
	var reg = /^([A-Za-z0-9_\-\.])+\@([A-Za-z0-9_\-\.])+\.([A-Za-z]{2,4})$/;
	if(reg.test(email) == false) 
	{	
		return false;
	}
	else
		return true;
}

function show(me)
{
	document.getElementById(me).style.display='block';
}

function show_centered(me)
{
	var pos = screen_obj.center(600,150);
	var widget = document.getElementById(me);
	widget.style.top = pos.top+'px';
	widget.style.left = pos.left+'px';
	widget.style.zIndex='1000';
	widget.style.display='block';
}

function hide(me)
{
	document.getElementById(me).style.display='none';
}

function toggle_extra(obj) 
{
	var el = document.getElementById(obj);
	if ( el.style.display != 'none' ) 
	{
		el.style.display = 'none';
	}
	else 
	{
		el.style.display = '';
	}
}


function show_search(me)
{
	var win = document.getElementById(me+"_window");
	document.getElementById("p_window").style.display='none';
	document.getElementById("a_window").style.display='none';
	document.getElementById("n_window").style.display='none';
	document.getElementById("b_window").style.display='none';
	document.getElementById("h_window").style.display='none';
	document.getElementById("e_window").style.display='none';
	//tab.style.backgroundColor='#20698C';
	win.style.display='block';
}

function popImg(url,width,height,wname) 
{
	if (!wname)
	 wname = "imgwin";
	if (wname == '')
	 wname = "imgwin";
	if(!width) width=670;
	if(!height) height=640;
	imgWin=window.open(url,wname,"toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars=0,resizable=0,width="+width+",height="+height);
	imgWin.focus();
}

function sortForm(form)
{
	var sForm = document.getElementById(form);
	sForm.submit();
}

/**
*
*  Base64 encode / decode
*  http://www.webtoolkit.info/
*
**/
 
var Base64 = {
 
	// private property
	_keyStr : "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=",
 
	// public method for encoding
	encode : function (input) {
		var output = "";
		var chr1, chr2, chr3, enc1, enc2, enc3, enc4;
		var i = 0;
 
		input = Base64._utf8_encode(input);
 
		while (i < input.length) {
 
			chr1 = input.charCodeAt(i++);
			chr2 = input.charCodeAt(i++);
			chr3 = input.charCodeAt(i++);
 
			enc1 = chr1 >> 2;
			enc2 = ((chr1 & 3) << 4) | (chr2 >> 4);
			enc3 = ((chr2 & 15) << 2) | (chr3 >> 6);
			enc4 = chr3 & 63;
 
			if (isNaN(chr2)) {
				enc3 = enc4 = 64;
			} else if (isNaN(chr3)) {
				enc4 = 64;
			}
 
			output = output +
			this._keyStr.charAt(enc1) + this._keyStr.charAt(enc2) +
			this._keyStr.charAt(enc3) + this._keyStr.charAt(enc4);
 
		}
 
		return output;
	},
 
	// public method for decoding
	decode : function (input) {
		var output = "";
		var chr1, chr2, chr3;
		var enc1, enc2, enc3, enc4;
		var i = 0;
 
		input = input.replace(/[^A-Za-z0-9\+\/\=]/g, "");
 
		while (i < input.length) {
 
			enc1 = this._keyStr.indexOf(input.charAt(i++));
			enc2 = this._keyStr.indexOf(input.charAt(i++));
			enc3 = this._keyStr.indexOf(input.charAt(i++));
			enc4 = this._keyStr.indexOf(input.charAt(i++));
 
			chr1 = (enc1 << 2) | (enc2 >> 4);
			chr2 = ((enc2 & 15) << 4) | (enc3 >> 2);
			chr3 = ((enc3 & 3) << 6) | enc4;
 
			output = output + String.fromCharCode(chr1);
 
			if (enc3 != 64) {
				output = output + String.fromCharCode(chr2);
			}
			if (enc4 != 64) {
				output = output + String.fromCharCode(chr3);
			}
 
		}
 
		output = Base64._utf8_decode(output);
 
		return output;
 
	},
 
	// private method for UTF-8 encoding
	_utf8_encode : function (string) {
		string = string.replace(/\r\n/g,"\n");
		var utftext = "";
 
		for (var n = 0; n < string.length; n++) {
 
			var c = string.charCodeAt(n);
 
			if (c < 128) {
				utftext += String.fromCharCode(c);
			}
			else if((c > 127) && (c < 2048)) {
				utftext += String.fromCharCode((c >> 6) | 192);
				utftext += String.fromCharCode((c & 63) | 128);
			}
			else {
				utftext += String.fromCharCode((c >> 12) | 224);
				utftext += String.fromCharCode(((c >> 6) & 63) | 128);
				utftext += String.fromCharCode((c & 63) | 128);
			}
 
		}
 
		return utftext;
	},
 
	// private method for UTF-8 decoding
	_utf8_decode : function (utftext) {
		var string = "";
		var i = 0;
		var c = c1 = c2 = 0;
 
		while ( i < utftext.length ) {
 
			c = utftext.charCodeAt(i);
 
			if (c < 128) {
				string += String.fromCharCode(c);
				i++;
			}
			else if((c > 191) && (c < 224)) {
				c2 = utftext.charCodeAt(i+1);
				string += String.fromCharCode(((c & 31) << 6) | (c2 & 63));
				i += 2;
			}
			else {
				c2 = utftext.charCodeAt(i+1);
				c3 = utftext.charCodeAt(i+2);
				string += String.fromCharCode(((c & 15) << 12) | ((c2 & 63) << 6) | (c3 & 63));
				i += 3;
			}
 
		}
 
		return string;
	}
 
}


function searchText()
{
document.getElementById("searchstring").setAttribute("class", "active");
if(document.getElementById('searchstring').value=='SEARCH')document.getElementById('searchstring').value='';
}

function searchSubmit()
{
	if((document.getElementById('searchstring').value=='SEARCH') || (document.getElementById('searchstring').value==''))  {
	alert('Please enter a valid search term');
	return false;
	}
	return true;
}