//********************************************
//******** ITEM DATA TAB FUNCTIONS ***********
//********************************************
//**** SET TO "graphic" FOR GRAPHIC TAB LINKS ******//
var pdItemTabVersion = "graphic";
function pdItemDataTabs(){
	var wrapper = document.getElementById("pdItemDataTabs");
	if(wrapper){
		tabs = wrapper.getElementsByTagName("DIV");
		for(i=0;i<tabs.length;i++){
			var s = tabs[i].id;
			var subs = s.substring(0,3)
			if(subs == "tab"){
				//***************************************************
				//******* SET INITIAL STYLE FOR DEFAULT TAB *********
				//***************************************************

				//******* TURN ON A DEFAULT TAB *********
				if(tabs[i].id == pdActiveItemDataTab){
					tabs[i].className = "pdItemTabLinkOn";
					//****** SET TABLE CELL STYLE FOR GRAPHIC TAB EFFECT ***********//
					if(pdItemTabVersion == "graphic"){document.getElementById(tabs[i].id).parentNode.className = "pdItemLinkCellOn";}
				}else{
					tabs[i].className = "pdItemTabLinkOff";
					//****** SET TABLE CELL STYLE FOR GRAPHIC TAB EFFECT ***********//
					if(pdItemTabVersion == "graphic"){document.getElementById(tabs[i].id).parentNode.className = "pdItemLinkCellOff";}
				}
				
				//******* TURN OFF TAB IF THERE IS NO CONTENT *********
				if(isBlank(document.getElementById(s + "Content").innerHTML)){
					tabs[i].className = "pdItemTabDisable";
				}

				if(tabs[i].id != "tabBlank"){
					//******* MOUSEOVER EVENT ********//
					tabs[i].onmouseover=function(){
						this.className = "pdItemTabLinkOn";
						if(pdItemTabVersion == "graphic"){this.parentNode.className = "pdItemLinkCellOn";}
					}
					//******* MOUSEOUT EVENT ********//
					tabs[i].onmouseout=function(){
						if(pdActiveItemDataTab != this.id){
							this.className = "pdItemTabLinkOff";
							if(pdItemTabVersion == "graphic"){this.parentNode.className = "pdItemLinkCellOff";}
						}
					}
					//******* ONCLICK EVENT ********//
					tabs[i].onclick=function(){
						pdActiveItemDataTab = this.id;
						//** RESET CONTENT DIVS AND TAB IMGS
						resetItemDataTabs();
						//** SET ON CLASSNAME
						if(this.className != "pdItemTabDisable"){
							this.className = "pdItemTabLinkOn";
							if(pdItemTabVersion == "graphic"){this.parentNode.className = "pdItemLinkCellOn";}
						}
						//** SET ON CONTENT
						var elem = this.id;
						document.getElementById(elem + "Content").style.display = "block";
					}
				if(tabs[i].id != pdActiveItemDataTab){
					document.getElementById(tabs[i].id + "Content").style.display = "none";
				}
				}
			}
		}
		wrapper.style.display = "block";
	}
}
function resetItemDataTabs(){
	var itemDataTabs = document.getElementById("pdItemDataTabs");
	var tabs = itemDataTabs.getElementsByTagName("DIV");
	for(i=0;i<tabs.length;i++){
		var s = tabs[i].id;
		var subs = s.substring(0,3)
		if(subs == "tab"){
			if(tabs[i].className != "pdItemTabDisable"){
				tabs[i].className = "pdItemTabLinkOff";
				if(pdItemTabVersion == "graphic"){document.getElementById(tabs[i].id).parentNode.className = "pdItemLinkCellOff";}
			}
			if(tabs[i].id != "tabBlank"){
				document.getElementById(s + "Content").style.display = "none";
			}
		}
	}
}
function setItemTab(elem){
	var pdActiveItemDataTab = document.getElementById(elem);
	//** RESET CONTENT DIVS AND TAB IMGS
	resetItemDataTabs();
	//** SET ON CLASSNAME
	if(pdActiveItemDataTab.className != "pdItemTabDisable"){
		pdActiveItemDataTab.className = "pdItemTabLinkOn";
		if(pdItemTabVersion == "graphic"){pdActiveItemDataTab.parentNode.className = "pdItemLinkCellOn";}
	}
	//** SET ON CONTENT
	document.getElementById(pdActiveItemDataTab.id + "Content").style.display = "block";
}
function isBlank(item) {
	item = String(item).toLowerCase();
	if(item == "undefined" || item == "" || item == "null") return true;
	else return false;
}