/*------------------ global js (Front End) ----------------------------*/

/*--------------- Change style css ----------------------*/
function celOver(obj) {
  var s = obj.className;
  s = s.replace(/-over/g, "");
  obj.className = s+"-over";
}

function celOut(obj) {
  var s = obj.className;
  s = s.replace(/-over/g, "");
  obj.className = s;
}


/*------------- Search field ----------------*/
function searchinfo() {
  var errors = '';
  var form = document.SearchFrm
  if (form.searchfield.value == "Search" || form.searchfield.value == "") {
    errors = "True";
  }
  if (errors) {
    //alert('The following error(s) occurred:\n'+errors);
  }
  document.MM_returnValue = (errors == '');
}

function searchfocus(val) {
  if (val.value == "Search") {
    val.value = "";
  }
}

function searchblur(val) {
  if (val.value == "") {
    val.value = "Search";
  }
}


/*-------gallery system (item)----------*/
function popup(idimg,width,height) { 
  xp = (screen.width-width)/2;
  if (xp <= 0) {
    xp = 0;
  }
  yp = 0;

  fen = window.open(idimg,'','toolbar=0,location=0,directories=0,status=0,scrollbars=0,resizable=0,copyhistory=0,menuBar=0,top='+yp+',left='+xp+',width=' + width + ',height=' + height);
  fen.focus(); 
}

/*-------gallery system (itempopup)----------*/
function checksize() {
 if (document.images[0].complete) {
  window.resizeTo(document.images[0].width+12,document.images[0].height+30);
  window.focus();
 }
}


// Splintered striper 1.3
// reworking of Zebra Tables and similar methods which works not only for tables and even/odd rows,
// but as a general DOM means of assigning any number of classes to children of a parent element.
// Patrick H. Lauke aka redux / www.splintered.co.uk
// Distributed under the Creative Commons Attribution-ShareAlike license - http://creativecommons.org/licenses/by-sa/2.0/


/*
 * Summary:      Core experiment function that applies any number of classes to all child elements
 *               contained in all occurences of a parent element (either with or without a specific class)
 * Parameters:   parentElementTag - parent tag name
 *               parentElementClass - class assigned to the parent; if null, all parentElementTag elements will be affected
 *               childElementTag -  tag name of the child elements to apply the styles to
 *               styleClasses - comma separated list of any number of style classes (using 2 classes gives the classic "zebra" effect)
 * Return:       none
 */
function striper(parentElementTag, parentElementClass, childElementTag, styleClasses)
{
	var i=0,currentParent,currentChild;
	// capability and sanity check
	if ((document.getElementsByTagName)&&(parentElementTag)&&(childElementTag)&&(styleClasses)) {
		// turn the comma separate list of classes into an array
		var styles = styleClasses.split(',');
		// get an array of all parent tags
		var parentItems = document.getElementsByTagName(parentElementTag);
		// loop through all parent elements
		while (currentParent = parentItems[i++]) {
			// if parentElementClass was null, or if the current parent's class matches the specified class
			if ((parentElementClass == null)||(currentParent.className == parentElementClass)) {
				var j=0,k=0;
				// get all child elements in the current parent element
				var childItems = currentParent.getElementsByTagName(childElementTag);
				// loop through all child elements
				while (currentChild = childItems[j++]) {
					// based on the current element and the number of styles in the array, work out which class to apply
					k = (j+(styles.length-1)) % styles.length;
					// add the class to the child element - if any other classes were already present, they're kept intact
					if (currentChild.getAttributeNode("class") != null) {
					currentChild.className = currentChild.getAttributeNode("class").value;
					}
					else {
					currentChild.className = currentChild.className+" "+styles[k];
					}
				}
			}
		}
	}
}


// this function is needed 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 to alternate the colours on rows of a table
function alternate(id){
 if(document.getElementsByTagName){  
   var table = document.getElementById(id);  
   var rows = table.getElementsByTagName("tr");  
   for(i = 0; i < rows.length; i++){          
 //manipulate rows
 
     if (! hasClass(rows[i])) {
        
		 if(i % 2 == 0){
		   rows[i].className = "odd";
		 }else{
		   rows[i].className = "even";
		 }


     }
	 
	 
   }
 }
}



/*------------------end global js----------------------------*/