/**********************************************************/ 
/* Function: Launch GAS 
/* Purpopse: Open pop-up window and GAS application process 
/**********************************************************/ 
function LaunchGAS(intWSURL, intSID, intMode, intProgram, intSource, intCentre, strGASURL, strUName, strSA)
{   
    var sUrl = strGASURL + "?centre=" + intCentre + "&program=" + 
                intProgram + "&source=" + intSource + "&mode=" + intMode + "&sub=1&err=0&WSURL_ID=" + 
                intWSURL + "&sid=" + intSID + "&username=" + strUName + "&staffagent=" + strSA;
    
    LaunchWindow(sUrl, 'winGAS', 650, 570);
}
/**********************************************************/ 
/* Function: LaunchWindow      
/* Purpose: Opens pop-up forms to a standardised width, 
/*          height and position within parent window
/**********************************************************/             
function LaunchWindow(strURL, strName, intWidth, intHeight)
{
    var sw = screen.availWidth;
    var sh = screen.availHeight;
    var left = (sw-intWidth)/2;
    var top = (sh-intHeight)/2;
    var strURL = strURL;
   
    windowHandle = window.open(strURL, strName,"width=" + intWidth + ", height="+intHeight+", location=no, menubar=no, status=no, toolbar=no, scrollbars=yes, resizable=yes, left="+left+", top="+top+"")
    windowHandle.focus();
}



/***********************************************/
/* Function: LoadBannerImage
Purpose: Random selection of banner image
*/
/************************************************/
function LoadBannerImage()
{
     tips = new Array(4);
     tips[0] = "/studentclub/css_images/titleimg01.jpg";
     tips[1] = "/studentclub/css_images/titleimg02.jpg";
     tips[2] = "/studentclub/css_images/titleimg03.jpg";
     tips[3] = "/studentclub/css_images/titleimg04.jpg";
     index = Math.floor(Math.random() * tips.length);   
     document.getElementById("banner_image").src = tips[index];
}
 
/**********************************************************/ 
/* Dreamweaver stuff
/**********************************************************/ 
function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}
function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}
function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}
function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}
function MM_replaceImage() { //v3.0
  var i,j=0,x,a=MM_replaceImage.arguments;
  document.MM_sr=new Array;
  for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null)  {
    document.MM_sr[j++]=x; 
    x.src=a[i+2];
   }
}