var oSrc
function loadCenter(nImage){
	oSrc=document.c.src
	nSrc = nImage.split("_")
	var folder = nSrc[0].split("/")
dir="http://"+document.domain+"/latinostudies/workspace/gallery/"+folder[2]+"_"+nSrc[1]+"_full.jpg"
document.c.src=dir

}

function glimpseOff(){ //brings back the old image into the center
		document.c.src=oSrc
			}
	
function moveLayer(dir,gNumberImages)
{
	page = document.getElementById('contentLayer').style;
	
	
	page=parseInt(page.top) //gets rid of the 'px' and converts into number
	
	if (keepScrolling){
		switch(dir){
		case 'forward':
			var x =-1 * gNumberImages * 77 - gNumberImages * 3 +317
			if(page>x) {	
				//alert('contentLayer left is: '+ page+'and it is greater than: '+x)
				page=page-10
					document.getElementById('contentLayer').style.top=page+"px";
				setTimeout("moveLayer('forward',"+gNumberImages+")", 1)
				

			}
						document.forward.src="http://"+document.domain+"/latinostudies/workspace/img/button-bottom-select.png"
			break
		case 'back':
			if(page<0) {
			page=page+10
			document.getElementById('contentLayer').style.top=page+"px";

			setTimeout("moveLayer('back',"+gNumberImages+")", 1)
			

			
			}
				document.back.src="http://"+document.domain+"/latinostudies/workspace/img/button-top-select.png"
		break
	}
	}

}
function butOff(){
document.back.src="http://"+document.domain+"/latinostudies/workspace/img/button-top.png"
document.forward.src="http://"+document.domain+"/latinostudies/workspace/img/button-bottom.png"
}