var wm_tab_canvas_array = new Array();

function wm_initializeTabbedCollection(){
	var allDiv = document.getElementsByTagName("div");
	for (var ad = 0; ad < allDiv.length; ad++){
		if (allDiv[ad].id != null){
			if (allDiv[ad].id.indexOf("wm_tab_canvas_") == 0){
				wm_tab_canvas_array[wm_tab_canvas_array.length] = allDiv[ad];
			}
		}
	}
}

function wm_tab_shift(tabHeaderId){
	var lastIndexOf_ = tabHeaderId.lastIndexOf("_")
	var tabCanvasId = "wm_tab_canvas" + tabHeaderId.substring(lastIndexOf_, tabHeaderId.length);
	var tabToDisplay = document.getElementById(tabCanvasId);
	if (tabToDisplay != null){
		for (var tc = 0; tc < wm_tab_canvas_array.length; tc++){
			wm_tab_canvas_array[tc].style.display = "none";
		}
		tabToDisplay.style.display = "block";
	}
}