function hide(individualImage) {
if (individualImage != '') {
             var hide = [document.getElementById(individualImage)]
	     var objID= "link_" + individualImage
	     var head = document.getElementById(objID)
}
	for (i=0; i<hide.length; i++) {
      	if (hide[i].style.display == 'none') {
         	hide[i].style.display = 'block'
	 	head.innerHTML = head.innerHTML.replace("[+]","[-]")	
                head.innerHTML = head.innerHTML.replace("Show Image","Hide Image") 
    	} else {
        	hide[i].style.display = 'none'
		head.innerHTML = head.innerHTML.replace("[-]","[+]")
		head.innerHTML = head.innerHTML.replace("Hide Image","Show Image")
	}

	}

    

}





function all_open(imageGroup) {

if (imageGroup != '') {
             var hide = document.getElementsByTagName('a');
}


for (i=0; i<hide.length; i++) {
      	var imglinkid = 'link_img' + (i + 1)
	var imgid = 'img' + (i + 1)
	var steplinkid = 'link_step' + (i + 1)
        var stepid = 'step' + (i + 1)

	

if (document.getElementById(stepid) != null && document.getElementById(stepid).style.display == 'none') {

		var get_stplk = document.getElementById(steplinkid)
	        var get_stpid = document.getElementById(stepid)	
         	get_stpid.style.display = 'block'
		get_stplk.innerHTML = get_stplk.innerHTML.replace("[+]","[-]")
}
if (document.getElementById(imglinkid) != null && document.getElementById(imgid).style.display == 'none') {
        	var get_imglk = document.getElementById(imglinkid)
		var get_imgid = document.getElementById(imgid)
                get_imgid.style.display = 'block'
		get_imglk.innerHTML = get_imglk.innerHTML.replace("[+]","[-]")
		get_imglk.innerHTML = get_imglk.innerHTML.replace("Show Image","Hide Image")	
}

}

    

}


function all_close(imageGroup) {
if (imageGroup != '') {
             var hide = document.getElementsByTagName('a');
}
for (i=0; i<hide.length; i++) {
      	var imglinkid = 'link_img' + (i + 1)
	var imgid = 'img' + (i + 1)
	var steplinkid = 'link_step' + (i + 1)
        var stepid = 'step' + (i + 1)
        


if (document.getElementById(stepid) != null && document.getElementById(stepid).style.display == 'block') {

		var get_stplk = document.getElementById(steplinkid)
	        var get_stpid = document.getElementById(stepid)	
         	get_stpid.style.display = 'none'
		get_stplk.innerHTML = get_stplk.innerHTML.replace("[-]","[+]")

}
if (document.getElementById(imglinkid) != null && document.getElementById(imgid).style.display == 'block') {
        	var get_imglk = document.getElementById(imglinkid)
		var get_imgid = document.getElementById(imgid)
                get_imgid.style.display = 'none'
		get_imglk.innerHTML = get_imglk.innerHTML.replace("[-]","[+]")
		get_imglk.innerHTML = get_imglk.innerHTML.replace("Hide Image","Show Image")
	
}


}

    

}