/* DEFINE SCROLLER ELEMENTS
Define new scroller elements here in the following format.
Article[i] = new Array ("display text", "URL", "frame target to load link in");i++  
Note: If you do not want the item to be a link, change the URL value to "none".

var Article = new Array;
var i = 0;
Article[i] = new Array ("Welcome to Headington School", "none", "_blank");i++  
Article[i] = new Array ("News: Dog chases cat", "http://www.headington.org", "_blank");i++
Article[i] = new Array ("News: Cat chases dog", "http://www.headington.org", "_blank");i++
*/
  
////// SCROLLER CONFIGURATION ///////////////////////////////////////////////////////////////////  
orientation = "horizontal"        // Orientation of scroller (Horizontal or vertical)
scrollerWidth = "740"             // Width of entire scroller.
scrollerHeight = "25"             // Height of Scroller.
borderWidth = 1                   // Width of border. (use 0 for no border).
borderColour = "#CCCCCC"          // Colour of scroller border. (Use either hexadecimal or text values. e.g. "#FF0000" or "Red") 
backColour = "#FFFFFF"              // Colour of scroller background. (Use either hexadecimal or text values. e.g. "#FF0000" or "Red") 
staticColour = "#858181"          // Colour of scroller items that are NOT a link. (including scrollerDivider characters)
stopScroll = 1                    // Pause the scroller on mouseOver. (use 0 for no.)
textAlignment="center"            // Alignment of each scroller item.  Only really makes a difference on vertical scroller
								// (center, left, right, justify)

// Scroller Links
linkFont = "arial"                // Font of scroller links;
linkWeight = "normal"             // Weight of scroller links;
linkColour = "#858181"            // Colour of scroller links
linkSize = "9"                   // Size of links (in points)
linkDecoration = "none"           // Decoration of links. (underline, overline, none)

// Scroller Links On MouseOver
slinkFont = "arial"               // Font of scroller links;
slinkWeight = "normal"            // Weight of scroller links;
slinkColour = "#858181"           // Colour of scroller links
slinkSize = "9"                  // Size of links (in points)
slinkDecoration = "underline"     // Decoration of links. (underline, overline, none)

scrollerDivider = "   -   " // Character to place between each scroller item. 
								// <img> tags can be used if an image is required. 
								// Use "0" for nothing.  For Vertical scrollers, it is best to use "<br>"
/* 
Because Netscape version 4 does not support this scroller, configure the values below so NS4 users do not see an error. 
In the scroller's place will be a static title which can be a link if require.  The appearance of the static text (colour, scroller border etc)
will be exactly the same as for the working version in other browsers.
*/
ns4Text = "[ unavailable ]";  // Alternative text to display in Netscape 4.
ns4URL = "none";            // URL of link in NS4. If no URL is required, enter "none"
ns4Target = "_top";                           // Frame target for link in NS4

////// DO NOT EDIT BELOW THIS LINE  ///////////////////////////////////////////////////////////////////

//Browser Sniffer
var isIE = (document.getElementById && document.all)?true:false;
var isNS4 = (document.layers)?true:false;
var isNS6 = (document.getElementById && !document.all)?true:false;
var isLoaded=false;

style='<style type="text/css">';
style+='p{font-family:'+linkFont+'; color:'+staticColour+'; font-size:'+linkSize+'pt; font-weight:'+linkWeight+'; text-align:'+textAlignment+'}';
style+='a.rcScroller,a.rcScroller:active,a.rcScroller:visited{color:'+linkColour+';text-decoration:'+linkDecoration+'; font-weight:'+linkWeight+'}';
style+='a.rcScroller:hover{color:'+slinkColour+';text-decoration:'+slinkDecoration+'; font-weight:'+slinkWeight+'}';
style+='rcScrollerHoverNS{color:red;text-decoration:'+slinkDecoration+'; font-weight:'+slinkWeight+'}';
style+='<\/style>';
document.writeln(style);

// Build the scroller and place it on the page
function buildScroller() {
	boundry='<div name="boundry" id="boundry" style="position:relative" align="center"></div>';
	document.writeln(boundry);
}

function loadScroller() {
	if(isNS4){
		scroller='<table border="0" cellpadding="0" cellspacing="0" width="'+scrollerWidth+'" bgcolor="'+borderColour+'"><tr><td>';
		scroller+='<table border="0" cellpadding="3" cellspacing="1" width="100%" height="'+scrollerHeight+'" bgcolor="'+backColour+'"><tr><td align="center" nowrap><p>';
		if(ns4URL.toLowerCase()!="none"){scroller+='<a href="'+ns4URL+'" class="rcScroller" target="'+ns4Target+'">'+ns4Text+'</a>';}
		else{scroller+=ns4Text;} 
		scroller+='</p></td></tr></table></td></tr></table>';
	}else{
		scroller='<table border="0" cellpadding="0" cellspacing="0" style="width:'+scrollerWidth+';height:'+scrollerHeight+';border:'+borderWidth+'px solid '+borderColour+';background-color:'+backColour+'">';
		scroller+='<tr valign="middle"><td><div id="div" style="';
		if(orientation.toLowerCase()=="vertical"){scroller+='height:'+scrollerHeight+';';}
		scroller+='width:'+scrollerWidth+'; position:relative; background-color:'+backColour+'; overflow:hidden">';
		scroller+='<div id="div1" style="position:relative; left:0; z-index:1">';
		scroller+='<table border="0" name="table" id="table"';
		if(orientation.toLowerCase()=="vertical"){scroller+='style="width:'+scrollerWidth+'"';}
		scroller+='><tr>';
		y=0;
		while (y<4) {
			for (x=0; x<(Article.length); x++) {
				if(orientation.toLowerCase()=="vertical"){scroller+='<tr>';}
				scroller+='<td ';
				if(orientation.toLowerCase()=="horizontal"){scroller+='nowrap';} if(stopScroll==1){scroller+=' onMouseOver="stopScroller();" onMouseOut="setWidth()"';}
				scroller+='><p>';
				if(Article[x][1].toLowerCase()!="none"){scroller+='<a class="rcScroller" href="'+Article[x][1]+'" target="'+Article[x][2]+'" >'+Article[x][0]+'<\/a>';
				}else{scroller+=Article[x][0];}          
				scroller+='</p><\/td>';
				
				if(orientation.toLowerCase()=="vertical"){scroller+='<\/tr>';}
					  
				if(scrollerDivider.toLowerCase() != "none"){scroller+='<td nowrap><p>'+scrollerDivider+'<\/p><\/td>';}
			}
			y++;
		}
		scroller+='<\/tr><\/table><\/div><\/div><\/td><\/tr><\/table>';  
	}
	document.getElementById("boundry").innerHTML=scroller;
	setWidth();
}


// Ensure the width of the scroller is divisible by 2. This allows smooth flowing of the scrolled content
function setWidth() { 
	tableObj=(isIE)?document.all("table"):document.getElementById("table"); 
	obj=(isIE)?document.all.div1:document.getElementById("div1");   
	objWidth=(orientation.toLowerCase()=="horizontal")?getOffset(tableObj,"width"):getOffset(tableObj,"height");
	HalfWidth=Math.floor(objWidth/2);
	newWidth = (HalfWidth*2)+2;
	obj.style.width=newWidth;
	moveLayer(obj, newWidth);
}

// Move the layer by one pixel to the left
function moveLayer(obj, width) {
	maxLeft = (0-(width/2)+2)/2;
	if (orientation.toLowerCase()=="horizontal") {
		obj.style.left=(parseInt(obj.style.left) <= maxLeft)?0:parseInt(obj.style.left)-1;
	} else {
		if (obj.style.top=="") {
			obj.style.top=0;
		}
		if (parseInt(obj.style.top)<(0-(width/2)+6)) {
			obj.style.top = 0;
		} else {
			obj.style.top = parseInt(obj.style.top)-1;
		}
	}
	timer = setTimeout ("moveLayer(obj, "+width+");", 25); 
}

// Get width and height of layer
function getOffset(obj, dim) {
	if(dim=="width") {
		oWidth = obj.offsetWidth;
		return oWidth;
	} else if(dim=="height") {
		oHeight = obj.offsetHeight;
		return oHeight;
	}    
}

function stopScroller() {
	clearTimeout(timer);
}

function DoQuickSearch() {

  var frm = document.INDEX_QUICK_SEARCH;
  var strErr="";
  if (frm.strSkills.value.length==0) {strErr+="Skills,\n";}
  if (frm.strRegion.selectedIndex==0) {strErr+="Location,\n";}
  //if ((frm.strRegion.selectedIndex == 1)||(frm.strRegion.selectedIndex == 19)||(frm.strRegion.selectedIndex == 52)||(frm.strRegion.selectedIndex == 71)||(frm.strRegion.selectedIndex == 71)||(frm.strRegion.selectedIndex == 1) )
  //if (!v_date(frm.datDay.options[frm.datDay.selectedIndex].value,frm.datMonth.options[frm.datMonth.selectedIndex].value,frm.datYear.options[frm.datYear.selectedIndex].value)) {strErr+="Start date,\n";}  
  if (strErr.length!=0) { alert("The following areas are incorrect/incomplete : \n\n" + strErr + "\nPlease correct them to continue.");} else {frm.submit();}

}

function v_date(day,month,year) {
	var days;
	days = new Array(13);
	days[1] = 31;
	days[2] = 29;
	days[3] = 31;
	days[4] = 30;
	days[5] = 31;
	days[6] = 30;
	days[7] = 31;
	days[8] = 31;
	days[9] = 30;
	days[10] = 31;
	days[11] = 30;
	days[12] = 31;
	
	// change the number of days in Feburary if it's a leap year.
	
	if (v_number(year)) {if (year % 4 == 0) {days[2] = 29}}
	
	if (!v_number(month) || month > 13 || month < 1) {return false;}
	if (days[month]>=day) {} else {return false;}
	if (!v_number(year)) { return false; }
	return true;
}

function v_number(anumber){
  
	var digits="0123456789.";
	for (var i=0;i<anumber.length;i++){if (digits.indexOf(anumber.substring(i,i+1))==-1){return false;}}
	if (anumber.length==0) {return false;}
	return true;
}


function quick_logIn() {

  var frmLogin = document.quick_login;
  var username = frmLogin.strUsername.value;
  var password = frmLogin.strPassword.value;
  
  if (username=="" || password=="") { alert("Please complete both your username and password"); } else {frmLogin.submit();}

}

function updateDates() {

}

// runs now...

window.onload = loadScroller;