// JavaScript Document

var xo = new Array();
var yo = new Array();

xo[0] = "ff3399"; // pink
xo[1] = "cccc99"; // khaki
xo[2] = "66cc66"; // green
xo[3] = "00cccc"; // turquoise

yo[0] = "001"; // Files to be included in the home page random image selaction (eg: ocm_title_001.jpg, ocm_title_002.jpg, ocm_title_xxx.jpg etc.)
yo[1] = "002";
yo[2] = "004";


function randOrd(){
  return (Math.round(Math.random())-0.5);
}

xo.sort(randOrd);
yo.sort(randOrd);

function setBg() {
  document.getElementById("ocmTitle").setAttribute("src", "resources/images/site/ocm_title_"+yo[0]+".jpg");
  document.getElementById("ocmTopLogo").setAttribute("src", "resources/images/site/ocm_title_"+yo[0]+"_logo_"+xo[3]+".jpg");
  document.getElementById("ocmTagline").setAttribute("src", "resources/images/site/ocm_tagline_"+xo[3]+".png");

  //document.getElementById("ocmTopLogo").setAttribute("src", "images/ocm_title_"+yo[0]+"_logo_"+xo[3]+".jpg");
  //document.getElementById("ocmTagline").setAttribute("src", "images/ocm_tagline_"+xo[3]+".png");
//  document.getElementById("fiveArtsLogo").setAttribute("src", "images/5_arts_logo_"+xo[0]+".gif");
//  document.getElementById("ocmMaoLogo").setAttribute("src", "images/ocm_mao_logo_"+xo[1]+".gif");
  for (var i=0; i<xo.length; i++) {
	var j = i+1;
	document.getElementById("col"+j).style.backgroundColor = "#"+xo[i];
	//document.getElementById("col"+j+"_cor").setAttribute("src", "/resources/images/site/home_corners_"+xo[i]+"xo[0].gif");
  }
	fixPng();
}

function checkImage() {
	if ((yo[0]!="005")&&(yo[0]!="006")&&(yo[0]!="003"))
		document.getElementById("ocmTopLogo").setAttribute("src", "resources/images/site/ocm_title_"+yo[0]+"_logo_00cccc.jpg");
	else 
		document.getElementById("ocmTopLogo").setAttribute("src", "resources/images/site/ocm_title_004_logo_"+ xo[3] +".jpg");
}		

function fixPng() {
  var arVersion = navigator.appVersion.split("MSIE")
  var version = parseFloat(arVersion[1])

  if ((version >= 5.5) && (version < 7) && (document.body.filters)) { 
	for(var i=0; i<document.images.length; i++) {
   	  var img = document.images[i]
      var imgName = img.src.toLowerCase()
      if (imgName.substring(imgName.length-3, imgName.length) == "png") {
         var imgID = (img.id) ? "id='" + img.id + "' " : ""
         var imgClass = (img.className) ? "class='" + img.className + "' " : ""
         var imgTitle = (img.title) ? "title='" + img.title + "' " : "title='" + img.alt + "' "
         var imgStyle = "display:inline-block;" + img.style.cssText 
         if (img.align == "left") imgStyle = "float:left;" + imgStyle
         if (img.align == "right") imgStyle = "float:right;" + imgStyle
         if (img.parentElement.href) imgStyle = "cursor:hand;" + imgStyle
         var strNewHTML = "<span " + imgID + imgClass + imgTitle
         + " style=\"" + "width:" + img.width + "px; height:" + img.height + "px;" + imgStyle + ";"
         + "filter:progid:DXImageTransform.Microsoft.AlphaImageLoader"
         + "(src=\'" + img.src + "\', sizingMethod='crop');\"></span>" 
         img.outerHTML = strNewHTML
         i = i-1
      }
   	}
  }                                                                                                                                                                                                 
}