// JavaScript Document


// random splash generator

function randomSplash()

{
var splashImage=new Array()

// location of images in this array
splashImage[1]="assets/ZW9J4793_HIBISCUS_TRIONUM_B.jpg";
splashImage[2]="assets/CRW_2080_artichoke_detail.jpg";
splashImage[3]="assets/CRW_2099_sunflower.jpg";
splashImage[4]="assets/RT16_1803_RT16_sat3.jpg";
splashImage[5]="assets/ZW9J1121_ORCHID.jpg";
splashImage[6]="assets/H_S_1493_RT16.jpg";
splashImage[7]="assets/IMG_0762_blur.jpg";
splashImage[8]="assets/IMG_1385.jpg";
splashImage[9]="assets/IMG_0764_new.jpg";
splashImage[10]="assets/IMG_1120.jpg";
splashImage[11]="assets/ZX7T4293_CORNFLOWER_SAT3_RN.jpg";
splashImage[12]="assets/ZX7T4360_LOVE_IN_MIST_WHITE.jpg";
splashImage[13]="assets/CRW_1947_RT16.jpg";

var splashCaption=new Array()

// captions
splashCaption[1]="Hibiscus Trionum Bud";
splashCaption[2]="Artichoke Thistle Spikes";
splashCaption[3]="Sunflower Detail";
splashCaption[4]="Onopordum Thistle";
splashCaption[5]="Orchid '<em>Phalaenopsis I</em>' ";
splashCaption[6]="Poppy '<em>Somniferum VI</em>' ";
splashCaption[7]="Poppy '<em>Somniferum II</em>' ";
splashCaption[8]="Iris IV";
splashCaption[9]="Poppy '<em>Somniferum V</em>'";
splashCaption[10]="Lily '<em>Stargazer</em>'";
splashCaption[11]="Cornflower I";
splashCaption[12]="White Nigella '<em>Love In The Mist</em>'";
splashCaption[13]="Allium Christophii '<em>Star Of Persia II</em>'";

var getRan=Math.floor(Math.random()*splashImage.length)
if (getRan==0)
getRan=1

document.write('<p><img src=\"'+splashImage[getRan]+'\" alt="macro close up Flower photography" title="Flowers" width="400" height="267" \/>');

document.write('<p>'+splashCaption[getRan]+'<br/>');
document.write('View more images in the <a href="gallery_gateway.html">gallery</a></p>');
}



// swap image and caption 

function swapPhoto(photoSRC,theCaption,theSubCap) {

  var displayedCaption = document.getElementById("caption");
	
  displayedCaption.firstChild.nodeValue = theCaption;
	
  if (typeof theSubCap != "undefined") {
    var inserted = document.createElement("em");
    inserted.appendChild(document.createTextNode(" \"" + theSubCap + "\""));
    if (displayedCaption.childNodes.length > 1) {
      displayedCaption.replaceChild(inserted, displayedCaption.lastChild);
      }
    else {
      displayedCaption.appendChild(inserted);
      }
    }
	  
  if (typeof theSubCap == "undefined" && displayedCaption.childNodes.length > 1) {
    displayedCaption.removeChild(displayedCaption.lastChild);
    }

  document.images.imgPhoto.src = "assets/" + photoSRC;
}
  // this function is need to work around 
  // a bug in IE related to element attributes
  function hasClass(obj) {
     var result = false;
     if (obj.getAttributeNode("class") != null) {
         result = obj.getAttributeNode("class").value;
     }
     return result;
  }   

 function stripe(id) {

    // the flag we'll use to keep track of 
    // whether the current row is odd or even
    var even = false;
  
    // if arguments are provided to specify the colours
    // of the even & odd rows, then use the them;
    // otherwise use the following defaults:
    var evenColor = arguments[1] ? arguments[1] : "#fff";
    var oddColor = arguments[2] ? arguments[2] : "#eee";
  
    // obtain a reference to the desired table
    // if no such table exists, abort
    var table = document.getElementById(id);
    if (! table) { return; }
    
    // by definition, tables can have more than one tbody
    // element, so we'll have to get the list of child
    // &lt;tbody&gt;s 
    var tbodies = table.getElementsByTagName("tbody");

    // and iterate through them...
    for (var h = 0; h < tbodies.length; h++) {
    
     // find all the &lt;tr&gt; elements... 
      var trs = tbodies[h].getElementsByTagName("tr");
      
      // ... and iterate through them
      for (var i = 0; i < trs.length; i++) {

	    // avoid rows that have a class attribute
        // or backgroundColor style
	    if (!hasClass(trs[i]) && ! trs[i].style.backgroundColor) {
 
         // get all the cells in this row...
          var tds = trs[i].getElementsByTagName("td");
        
          // and iterate through them...
          for (var j = 0; j < tds.length; j++) {
        
            var mytd = tds[j];

            // avoid cells that have a class attribute
            // or backgroundColor style
	        if (! hasClass(mytd) && ! mytd.style.backgroundColor) {
        
		      mytd.style.backgroundColor = even ? evenColor : oddColor;
              
            }
          }
        }
        // flip from odd to even, or vice-versa
        even =  ! even;
      }
    }
  }