<!-- //hide from crippled browsers

document.getElementsByClassName = function(cl) {
var retnode = [];
var myclass = new RegExp('\\b'+cl+'\\b');
var elem = this.getElementsByTagName('*');
for (var i = 0; i < elem.length; i++) {
var classes = elem[i].className;
if (myclass.test(classes)) retnode.push(elem[i]);
}
return retnode;
};

//set up for drop down layers
var layerSupport;
layerSupport = true;

downarrowBtnIcon=new Image;
downarrowBtnIcon.src="images/arrowGold_down.gif";
leftarrowBtnIcon=new Image;
leftarrowBtnIcon.src="images/arrowGold_right.gif";

subdownarrowBtnIcon=new Image;
subdownarrowBtnIcon.src="images/arrowWhite_down.gif";
subleftarrowBtnIcon=new Image;
subleftarrowBtnIcon.src="images/arrowBlue_right.gif";

cachedIcons=1;

function displaySectionMenus(spanId, arrowID) {

	if (layerSupport) {
	   if (document.getElementById){

	     if(document.getElementById(spanId).style.display=='none'){
	     
	      //menu was hidden
      		document [arrowID].src=downarrowBtnIcon.src;
	      	document.getElementById(spanId).style.display='block';
	     } 
	     else {
	     
	     	//menu was displayed
	     	document [arrowID].src=leftarrowBtnIcon.src;
	        document.getElementById(spanId).style.display='none';
	     }
	   
	   } else if (document.all){
	   
	     if(document.all[spanId].style.display == 'none'){
	       //menu was hidden
	       document [arrowID].src=downarrowBtnIcon.src;
	       document.all[spanId].style.display = '';
	     } else {
	       //menu was displayed
	       document [arrowID].src=leftarrowBtnIcon.src;
	       document.all[spanId].style.display = 'none';
	     }
	   //end of else
	   }
	     
	//end of layer support conditional	 
	}	

}

function displaySubSectionMenus(divId, arrowID, menuID, menuStyle1, menuStyle2) {

	if (layerSupport) {
	   if (document.getElementById){

	     if(document.getElementById(divId).style.display=='none'){
	     
	      	//menu was hidden
      		document [arrowID].src=subdownarrowBtnIcon.src;
	      	document.getElementById(divId).style.display='block';
	     } 
	     else {
	     
	     	//menu was displayed
	     	document [arrowID].src=subleftarrowBtnIcon.src;
	        document.getElementById(divId).style.display='none';
	     }
	     
	     if (document.getElementById(menuID).className==menuStyle1) {
	     	document.getElementById(menuID).className=menuStyle2;
	     }
	     else {
	     	document.getElementById(menuID).className==menuStyle1;
	     }
	   
	   } else if (document.all){
	   
	     if(document.all[divId].style.display == 'none'){
	       //menu was hidden
	       document [arrowID].src=subdownarrowBtnIcon.src;
	       document.all[divId].style.display = '';
	     } else {
	       //menu was displayed
	       document [arrowID].src=subleftarrowBtnIcon.src;
	       document.all[divId].style.display = 'none';
	     }
	     if (document.all[menuId].className==menuStyle1) {
		document.all[menuId].className=menuStyle2;
	     }
	     else {
	     	document.all[menuId].className==menuStyle1;
	     }
	   }
	     
	//end of layer support conditional	 
	}	

}

function displayRightMenus(spanId, arrowID) {

	if (layerSupport) {
	
	   if (document.getElementById){
	   
	     if(document.getElementById(spanId).style.display == 'none'){
	       //menu was hidden
	       document [arrowID].src=downarrowBtnIcon.src;
	       document.getElementById(spanId).style.display = 'block';
	     } else {
	       //menu was displayed
	       document [arrowID].src=leftarrowBtnIcon.src;
	       document.getElementById(spanId).style.display = 'none';
	     }
	   
	   } else if (document.all){
	     if(document.all[spanId].style.display == 'none'){
	       //menu was hidden
	       document [arrowID].src=downarrowBtnIcon.src;
	       document.all[spanId].style.display = '';
	     } else {
	       //menu was displayed
	       document [arrowID].src=leftarrowBtnIcon.src;
	       document.all[spanId].style.display = 'none';
	     }
	   //end of else
	   }
	     
	//end of layer support conditional	 
	}	

}

function dropDownArrows(arrowID, hilite) {

	if (hilite) {
	
	   if ((document [arrowID].src)==(leftarrowBtnIcon.src)) {
		document [arrowID].src=leftarrowBtnIconOn.src;
	   }
	   else if ((document [arrowID].src)==(downarrowBtnIcon.src)) {
	   	document [arrowID].src=downarrowBtnIconOn.src;
	   }
	}
	else {
	   if ((document [arrowID].src)==(leftarrowBtnIconOn.src)) {
		document [arrowID].src=leftarrowBtnIcon.src;
	   }
	   else if ((document [arrowID].src)==(downarrowBtnIconOn.src)) {
	   	document [arrowID].src=downarrowBtnIcon.src;
	   }
	}
}

    function displayOptionalRow(){
        var rows = document.getElementsByClassName("optionalrow");
        for (var i = 0; i < rows.length; i++) {
		var row = rows[i];
		if (row.style.display == '')  row.style.display = 'none';
		else row.style.display = '';
	}
    }

//-->