//args 1st = show, rest = hide

function show_hide_layers(a){
	var i;
	var layername;

	layername = document.getElementById(a[0]);
	layername.style.visibility = "visible";
		for(i=1;i<a.length;i++){
			layername = document.getElementById(a[i]);
			layername.style.visibility = "hidden";
		}
}

// change page to newpage
function changePage(newpage){
	window.location = newpage;
}

//change text colour
function change_text_colour(src,c1){
var layername;

layername = document.getElementById(src);
layername.style.color = c1;
}

//bannerad open
function MM_openBrWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}

function yearselectoptions(yearselected, nameofpage){

var pagetitle;
var pagetitlefirstletter;
var strgraphicmode;

// find if in high or low graphics mode
strgraphicmode = "" + window.location.search; 
if(strgraphicmode == "?graph=low"){
	strgraphicmode = "low";

}
else{
	strgraphicmode = "hi";
}

// create form
document.write("<TABLE class='main' width='100%'><TR valign='top' ><TD><SPAN class='heading'>");

pagetitle = nameofpage.slice(1,nameofpage.length);
pagetitlefirstletter = nameofpage.charAt(0);
pagetitlefirstletter = pagetitlefirstletter.toUpperCase();
document.write(pagetitlefirstletter + pagetitle + " ");


document.write(yearselected);
document.write("</SPAN></TD><TD align='right'>");
document.write("<FORM><SELECT ID='selectyear' SIZE='1' >");
document.write("<OPTION Value='2010' ");
if(yearselected=="2010"){
	document.write("SELECTED");
}
document.write(" >Change year to 2010</OPTION>");
document.write("<OPTION Value='2009' ");

if(yearselected=="2009"){
	document.write("SELECTED");
}
document.write(" >Change year to 2009</OPTION>");
document.write("<OPTION Value='2008' ");
if(yearselected=="2008"){
	document.write("SELECTED");
}
document.write(" >Change year to 2008</OPTION>");
document.write("<OPTION Value='2007' ");
if(yearselected=="2007"){
	document.write("SELECTED");
}
document.write(" >Change year to 2007</OPTION>");
document.write("<OPTION Value='2006' ");
if(yearselected=="2006"){
	document.write("SELECTED");
}
document.write(" >Change year to 2006</OPTION>");
document.write("<OPTION Value='2005' ");
if(yearselected=="2005"){
	document.write("SELECTED");
}
document.write(">Change year to 2005</OPTION>");
document.write("<OPTION value='2004' ");
if(yearselected=="2004"){
	document.write("SELECTED");
}
document.write(">Change year to 2004</OPTION>");
document.write("</SELECT>");
document.write("<INPUT TYPE='HIDDEN' ID='sectionname' value='" + nameofpage + "'>");
document.write("<INPUT TYPE='HIDDEN' ID='graphicmode' value='" + strgraphicmode + "'>");
document.write("&nbsp;<INPUT TYPE='button' VALUE='Go!' onclick='yearcheck();'>");
document.write("</FORM>");
document.write("</TD></TR></TABLE>");

}

function yearcheck(){

	var yearname ;
	var yearvalue;
	var pagename;
	var pagevalue;
	var graphicname;
	var graphicvalue;

	yearname= document.getElementById("selectyear");
	yearvalue = yearname.value;

	pagename= document.getElementById("sectionname");
	pagevalue = pagename.value;

	graphicname = document.getElementById("graphicmode");
	graphicvalue = graphicname.value;

	if(yearname.value == "2010"){
		if(graphicvalue == "low"){
			changePage(pagevalue + ".asp?graph=low");
		}
		else{
			changePage(pagevalue + ".asp");
		}
	}
	else{
		if(graphicvalue == "low"){
			changePage(pagevalue + yearvalue + ".asp?graph=low");

		}
		else{
			changePage(pagevalue + yearvalue + ".asp");
		}
	}
}


// change page to hi or low graphics mode (on=hi)
function graphicsmode(state){
	var pagename;
	var strURL;
	var strSplit;

	if(state=="off"){
		
		pagename = window.location;
		if(pagename == "http://webplus.psoriasisscotland.org.uk/"){
			pagename = pagename + "index.asp";
		}
		pagename = pagename + "?graph=low";
		changePage(pagename);
	}
	else if(state=="on"){
		pagename = "" + window.location;
		strSplit = "?";
		strURL = pagename.split(strSplit);
		changePage(strURL[0]);
	}
}



//add graphical bottom to table on home page


function addtablebottom(){

var tablename;
var tableheight;


tablename= document.getElementById("LatestDevelopments");
tableheight = tablename.clientHeight

document.write("<div ID='tablebottom' style='position:absolute;top:" + tableheight + "px;left:0px;z-index:3;width:580px;'>");
document.write("<img src='pics/home/newsboxes/boxbottom.jpg'>");
document.write("</div>");


}