div1open = 'no';
			div2open = 'no';
			div3open = 'no';
			div4open = 'no';
			div5open = 'no';
			div6open = 'no';
			div7open = 'no';
			div8open = 'no';
			div9open = 'no';
			div10open = 'no';
			div11open = 'no';
			div12open = 'no';
			div13open = 'no';
			div14open = 'no';
			div15open = 'no';
			div16open = 'no';
			div17open = 'no';
			div18open = 'no';
			div19open = 'no';
			div20open = 'no';

			
function switcher(chunkname, chunkdiv, linkdiv){
  try {
	switch(chunkdiv){

		case 'fs_1':
		
		if(div1open == 'yes' ){
		document.getElementById(chunkname+'_'+chunkdiv).style.display = 'none';	
		document.getElementById(chunkname+'_'+linkdiv).style.background = 'url(/images/arrow_fieldset.gif) no-repeat';				
		// sets which chunk has been closed 
		
		div1open = 'no';
		
		} else {
		document.getElementById(chunkname+'_'+chunkdiv).style.display = 'block';
		document.getElementById(chunkname+'_'+linkdiv).style.background = 'url(/images/arrow_fieldset_over.gif) no-repeat';
		// sets which chunk has been opened
		
		div1open = 'yes';
		
		}
		break
		
		case 'fs_2':
		
		if(div2open == 'yes' ){
		document.getElementById(chunkname+'_'+chunkdiv).style.display = 'none';
		document.getElementById(chunkname+'_'+linkdiv).style.background = 'url(/images/arrow_fieldset.gif) no-repeat';			
		// sets which chunk has been closed
		
		div2open = 'no';
		
		} else {
		document.getElementById(chunkname+'_'+chunkdiv).style.display = 'block';
		document.getElementById(chunkname+'_'+linkdiv).style.background = 'url(/images/arrow_fieldset_over.gif) no-repeat';
		// sets which chunk has been opened
		
		div2open = 'yes';
		
		}
		break
		
		case 'fs_3':
		
		if(div3open == 'yes' ){
		document.getElementById(chunkname+'_'+chunkdiv).style.display = 'none';
		document.getElementById(chunkname+'_'+linkdiv).style.background = 'url(/images/arrow_fieldset.gif) no-repeat';				
		// sets which chunk has been closed
		
		div3open = 'no';
		
		} else {
		document.getElementById(chunkname+'_'+chunkdiv).style.display = 'block';
		document.getElementById(chunkname+'_'+linkdiv).style.background = 'url(/images/arrow_fieldset_over.gif) no-repeat';
		// sets which chunk has been opened
		
		div3open = 'yes';
		
		}
		break
		
		case 'fs_4':
		
		if(div4open == 'yes' ){
		document.getElementById(chunkname+'_'+chunkdiv).style.display = 'none';
		document.getElementById(chunkname+'_'+linkdiv).style.background = 'url(/images/arrow_fieldset.gif) no-repeat';			
		// sets which chunk has been closed
		
		div4open = 'no';
		
		} else {
		document.getElementById(chunkname+'_'+chunkdiv).style.display = 'block';
		document.getElementById(chunkname+'_'+linkdiv).style.background = 'url(/images/arrow_fieldset_over.gif) no-repeat';
		// sets which chunk has been opened
		
		div4open = 'yes';
		
		}
		break
		
		
		case 'fs_5':
		
		if(div5open == 'yes' ){
		document.getElementById(chunkname+'_'+chunkdiv).style.display = 'none';
		document.getElementById(chunkname+'_'+linkdiv).style.background = 'url(/images/arrow_fieldset.gif) no-repeat';					
		// sets which chunk has been closed
		
		div5open = 'no';
		
		} else {
		document.getElementById(chunkname+'_'+chunkdiv).style.display = 'block';
		document.getElementById(chunkname+'_'+linkdiv).style.background = 'url(/images/arrow_fieldset_over.gif) no-repeat';
		// sets which chunk has been opened
		
		div5open = 'yes';
		
		}
		break
		
		case 'fs_6':
		
		if(div6open == 'yes' ){
		document.getElementById(chunkname+'_'+chunkdiv).style.display = 'none';
		document.getElementById(chunkname+'_'+linkdiv).style.background = 'url(/images/arrow_fieldset.gif) no-repeat';				
		// sets which chunk has been closed
		
		div6open = 'no';
		
		} else {
		document.getElementById(chunkname+'_'+chunkdiv).style.display = 'block';
		document.getElementById(chunkname+'_'+linkdiv).style.background = 'url(/images/arrow_fieldset_over.gif) no-repeat';
		// sets which chunk has been opened
		
		div6open = 'yes';
		
		}
		break
		
		case 'fs_7':
		
		if(div7open == 'yes' ){
		document.getElementById(chunkname+'_'+chunkdiv).style.display = 'none';
		document.getElementById(chunkname+'_'+linkdiv).style.background = 'url(/images/arrow_fieldset.gif) no-repeat';					
		// sets which chunk has been closed
		
		div7open = 'no';
		
		} else {
		document.getElementById(chunkname+'_'+chunkdiv).style.display = 'block';
		document.getElementById(chunkname+'_'+linkdiv).style.background = 'url(/images/arrow_fieldset_over.gif) no-repeat';
		// sets which chunk has been opened
		
		div7open = 'yes';
		
		}
		break
		
		case 'fs_8':
		
		if(div8open == 'yes' ){
		document.getElementById(chunkname+'_'+chunkdiv).style.display = 'none';
		document.getElementById(chunkname+'_'+linkdiv).style.background = 'url(/images/arrow_fieldset.gif) no-repeat';					
		// sets which chunk has been closed
		
		div8open = 'no';
		
		} else {
		document.getElementById(chunkname+'_'+chunkdiv).style.display = 'block';
		document.getElementById(chunkname+'_'+linkdiv).style.background = 'url(/images/arrow_fieldset_over.gif) no-repeat';
		// sets which chunk has been opened
		
		div8open = 'yes';
		
		}
		break
		
		case 'fs_9':
		
		if(div9open == 'yes' ){
		document.getElementById(chunkname+'_'+chunkdiv).style.display = 'none';
		document.getElementById(chunkname+'_'+linkdiv).style.background = 'url(/images/arrow_fieldset.gif) no-repeat';				
		// sets which chunk has been closed
		
		div9open = 'no';
		
		} else {
		document.getElementById(chunkname+'_'+chunkdiv).style.display = 'block';
		document.getElementById(chunkname+'_'+linkdiv).style.background = 'url(/images/arrow_fieldset_over.gif) no-repeat';
		// sets which chunk has been opened
		
		div9open = 'yes';
		
		}
		break
		
		case 'fs_10':
		
		if(div10open == 'yes' ){
		document.getElementById(chunkname+'_'+chunkdiv).style.display = 'none';	
		document.getElementById(chunkname+'_'+linkdiv).style.background = 'url(/images/arrow_fieldset.gif) no-repeat';				
		// sets which chunk has been closed
		
		div10open = 'no';
		
		} else {
		document.getElementById(chunkname+'_'+chunkdiv).style.display = 'block';
		document.getElementById(chunkname+'_'+linkdiv).style.background = 'url(/images/arrow_fieldset_over.gif) no-repeat';
		// sets which chunk has been opened
		
		div10open = 'yes';
		
		}
		break
		
		case 'fs_11':
		
		if(div11open == 'yes' ){
		document.getElementById(chunkname+'_'+chunkdiv).style.display = 'none';	
		document.getElementById(chunkname+'_'+linkdiv).style.background = 'url(/images/arrow_fieldset.gif) no-repeat';				
		// sets which chunk has been closed
		
		div11open = 'no';
		
		} else {
		document.getElementById(chunkname+'_'+chunkdiv).style.display = 'block';
		document.getElementById(chunkname+'_'+linkdiv).style.background = 'url(/images/arrow_fieldset_over.gif) no-repeat';
		// sets which chunk has been opened
		
		div11open = 'yes';
		
		}
		break
		
		case 'fs_12':
		
		if(div12open == 'yes' ){
		document.getElementById(chunkname+'_'+chunkdiv).style.display = 'none';	
		document.getElementById(chunkname+'_'+linkdiv).style.background = 'url(/images/arrow_fieldset.gif) no-repeat';				
		// sets which chunk has been closed
		
		div12open = 'no';
		
		} else {
		document.getElementById(chunkname+'_'+chunkdiv).style.display = 'block';
		document.getElementById(chunkname+'_'+linkdiv).style.background = 'url(/images/arrow_fieldset_over.gif) no-repeat';
		// sets which chunk has been opened
		
		div12open = 'yes';
		
		}
		break
		
		case 'fs_13':
		
		if(div13open == 'yes' ){
		document.getElementById(chunkname+'_'+chunkdiv).style.display = 'none';	
		document.getElementById(chunkname+'_'+linkdiv).style.background = 'url(/images/arrow_fieldset.gif) no-repeat';				
		// sets which chunk has been closed
		
		div13open = 'no';
		
		} else {
		document.getElementById(chunkname+'_'+chunkdiv).style.display = 'block';
		document.getElementById(chunkname+'_'+linkdiv).style.background = 'url(/images/arrow_fieldset_over.gif) no-repeat';
		// sets which chunk has been opened
		
		div13open = 'yes';
		
		}
		break
		
		case 'fs_14':
		
		if(div14open == 'yes' ){
		document.getElementById(chunkname+'_'+chunkdiv).style.display = 'none';	
		document.getElementById(chunkname+'_'+linkdiv).style.background = 'url(/images/arrow_fieldset.gif) no-repeat';				
		// sets which chunk has been closed
		
		div14open = 'no';
		
		} else {
		document.getElementById(chunkname+'_'+chunkdiv).style.display = 'block';
		document.getElementById(chunkname+'_'+linkdiv).style.background = 'url(/images/arrow_fieldset_over.gif) no-repeat';
		// sets which chunk has been opened
		
		div14open = 'yes';
		
		}
		break

		case 'fs_15':
		
		if(div15open == 'yes' ){
		document.getElementById(chunkname+'_'+chunkdiv).style.display = 'none';	
		document.getElementById(chunkname+'_'+linkdiv).style.background = 'url(/images/arrow_fieldset.gif) no-repeat';				
		// sets which chunk has been closed
		
		div15open = 'no';
		
		} else {
		document.getElementById(chunkname+'_'+chunkdiv).style.display = 'block';
		document.getElementById(chunkname+'_'+linkdiv).style.background = 'url(/images/arrow_fieldset_over.gif) no-repeat';
		// sets which chunk has been opened
		
		div15open = 'yes';
		
		}
		break

		case 'fs_16':
		
		if(div16open == 'yes' ){
		document.getElementById(chunkname+'_'+chunkdiv).style.display = 'none';	
		document.getElementById(chunkname+'_'+linkdiv).style.background = 'url(/images/arrow_fieldset.gif) no-repeat';				
		// sets which chunk has been closed
		
		div16open = 'no';
		
		} else {
		document.getElementById(chunkname+'_'+chunkdiv).style.display = 'block';
		document.getElementById(chunkname+'_'+linkdiv).style.background = 'url(/images/arrow_fieldset_over.gif) no-repeat';
		// sets which chunk has been opened
		
		div16open = 'yes';
		
		}
		break

		case 'fs_17':
		
		if(div17open == 'yes' ){
		document.getElementById(chunkname+'_'+chunkdiv).style.display = 'none';	
		document.getElementById(chunkname+'_'+linkdiv).style.background = 'url(/images/arrow_fieldset.gif) no-repeat';				
		// sets which chunk has been closed
		
		div17open = 'no';
		
		} else {
		document.getElementById(chunkname+'_'+chunkdiv).style.display = 'block';
		document.getElementById(chunkname+'_'+linkdiv).style.background = 'url(/images/arrow_fieldset_over.gif) no-repeat';
		// sets which chunk has been opened
		
		div17open = 'yes';
		
		}
		break

		case 'fs_18':
		
		if(div18open == 'yes' ){
		document.getElementById(chunkname+'_'+chunkdiv).style.display = 'none';	
		document.getElementById(chunkname+'_'+linkdiv).style.background = 'url(/images/arrow_fieldset.gif) no-repeat';				
		// sets which chunk has been closed
		
		div18open = 'no';
		
		} else {
		document.getElementById(chunkname+'_'+chunkdiv).style.display = 'block';
		document.getElementById(chunkname+'_'+linkdiv).style.background = 'url(/images/arrow_fieldset_over.gif) no-repeat';
		// sets which chunk has been opened
		
		div18open = 'yes';
		
		}
		break

		case 'fs_10':
		
		if(div19open == 'yes' ){
		document.getElementById(chunkname+'_'+chunkdiv).style.display = 'none';	
		document.getElementById(chunkname+'_'+linkdiv).style.background = 'url(/images/arrow_fieldset.gif) no-repeat';				
		// sets which chunk has been closed
		
		div19open = 'no';
		
		} else {
		document.getElementById(chunkname+'_'+chunkdiv).style.display = 'block';
		document.getElementById(chunkname+'_'+linkdiv).style.background = 'url(/images/arrow_fieldset_over.gif) no-repeat';
		// sets which chunk has been opened
		
		div19open = 'yes';
		
		}
		break
		
		case 'fs_19':
		
		if(div19open == 'yes' ){
		document.getElementById(chunkname+'_'+chunkdiv).style.display = 'none';	
		document.getElementById(chunkname+'_'+linkdiv).style.background = 'url(/images/arrow_fieldset.gif) no-repeat';				
		// sets which chunk has been closed
		
		div19open = 'no';
		
		} else {
		document.getElementById(chunkname+'_'+chunkdiv).style.display = 'block';
		document.getElementById(chunkname+'_'+linkdiv).style.background = 'url(/images/arrow_fieldset_over.gif) no-repeat';
		// sets which chunk has been opened
		
		div19open = 'yes';
		
		}
		break
		
		case 'fs_20':
		
		if(div20open == 'yes' ){
		document.getElementById(chunkname+'_'+chunkdiv).style.display = 'none';	
		document.getElementById(chunkname+'_'+linkdiv).style.background = 'url(/images/arrow_fieldset.gif) no-repeat';				
		// sets which chunk has been closed
		
		div20open = 'no';
		
		} else {
		document.getElementById(chunkname+'_'+chunkdiv).style.display = 'block';
		document.getElementById(chunkname+'_'+linkdiv).style.background = 'url(/images/arrow_fieldset_over.gif) no-repeat';
		// sets which chunk has been opened
		
		div20open = 'yes';
		
		}
		break



	}
  }
  catch(ex) {}
}
			  function reveal(linkdiv, chunkdiv, chunkname){
			  //alert('whats going wrong');

					try {
							switch(chunkname){
									case 'chunk1': 
										switcher(chunkname, chunkdiv, linkdiv);
									break
									}
						}
						catch(ex) {}


			  }