function grayOut(vis, options, whichpopup) {  
// Pass true to gray out screen, false to ungray  
// options are optional.  This is a JSON object with the following (optional) properties  
// opacity:0-100         
// Lower number = less grayout higher = more of a blackout   
// zindex: #             
// HTML elements with a higher zindex appear on top of the gray out  
// bgcolor: (#xxxxxx)    
// Standard RGB Hex color code  
// grayOut(true, {'zindex':'50', 'bgcolor':'#0000FF', 'opacity':'70'});  
// Because options is JSON opacity/zindex/bgcolor are all optional and can appear  
// in any order.  Pass only the properties you need to set.  
var options = options || {};   
var zindex = options.zindex || 50;  
var opacity = options.opacity || 50;  
var opaque = (opacity / 100);  
var bgcolor = options.bgcolor || '#000000'; 
var whichpopup = whichpopup || {}; 
var dark=document.getElementById('darkenScreenObject');  
if (!dark) {    
// The dark layer doesn't exist, it's never been created.  So we'll    
// create it here and apply some basic styles.    
// If you are getting errors in IE see: http://support.microsoft.com/default.aspx/kb/927917    
var tbody = document.getElementsByTagName("body")[0];    
var tnode = document.createElement('div');           
// Create the layer.
        tnode.style.position='absolute';                 
// Position absolutely        
tnode.style.top='0px';                           
// In the top        
tnode.style.left='0px';                          
// Left corner of the page        
tnode.style.overflow='hidden';                   
// Try to avoid making scroll bars                    
tnode.style.display='none';                      
// Start out Hidden        
tnode.id='darkenScreenObject';                   
// Name it so we can find it later    
tbody.appendChild(tnode);                            
// Add it to the web page    
dark=document.getElementById('darkenScreenObject');  
// Get the object.  
}  
if (vis) 
{    // Calculate the page width and height     
if( document.body && ( document.body.scrollWidth || document.body.scrollHeight ) ) 
{        
var pageWidth = document.body.scrollWidth+'px';        
var pageHeight = document.body.scrollHeight+'px';    
}
 else  if( document.body.offsetWidth ) 
 {      
 var pageWidth = document.body.offsetWidth+'px';      
 var pageHeight = document.body.offsetHeight+'px';    
 } 
 else 
 {       
 var pageWidth='100%';       
 var pageHeight='100%';    
 }       
 //set the shader to cover the entire page and make it visible.    
 dark.style.opacity=opaque;                          
 dark.style.MozOpacity=opaque;                       
 dark.style.filter='alpha(opacity='+opacity+')';     
 dark.style.zIndex=zindex;            
 dark.style.backgroundColor=bgcolor;      
 dark.style.width= pageWidth;    
 dark.style.height= pageHeight;    
 dark.style.display='block';
 //try to do the dhtml
 
      switch(whichpopup)
      {
		case 1:
			divwin=dhtmlwindow.open('divbox', 'div', 'step1detailsdiv', 'Step 1: Initial Design Meeting', 'width=400px,height=300px,left=200px,top=150px,center=1,resize=1,scrolling=1');                             
            break
		case 2:
			divwin=dhtmlwindow.open('divbox', 'div', 'step2detailsdiv', 'Step 2: Preliminary Design Meeting', 'width=400px,height=300px,left=200px,top=150px,center=1,resize=1,scrolling=1');
			break
		case 3:
			divwin=dhtmlwindow.open('divbox', 'div', 'step3detailsdiv', 'Step 3: Preliminary Design Review', 'width=400px,height=300px,left=200px,top=150px,center=1,resize=1,scrolling=1');
            break
		case 4:
			divwin=dhtmlwindow.open('divbox', 'div', 'step4detailsdiv', 'Step 4: Floors and Elevations Review', 'width=400px,height=300px,left=200px,top=150px,center=1,resize=1,scrolling=1');     
		    break
        case 5:
			divwin=dhtmlwindow.open('divbox', 'div', 'step5detailsdiv', 'Step 5: Construction Drawings', 'width=400px,height=300px,left=200px,top=150px,center=1,resize=1,scrolling=1');
			break
		case 6:
			divwin=dhtmlwindow.open('divbox', 'div', 'step6detailsdiv', 'Step 6: Final Completed Construction Drawings', 'width=400px,height=300px,left=200px,top=150px,center=1,resize=1,scrolling=1');
            break
        // do the About.asp popup
		case 7:
			divwin=dhtmlwindow.open('divbox', 'div', 'kaydetailsdiv', 'About the Designer, continued', 'width=400px,height=300px,left=200px,top=150px,center=1,resize=1,scrolling=1');
            break
        // do the Portfolio page.
        case 8:
         	divwin=dhtmlwindow.open('divbox', 'div', 'project1detailsdiv', '.', 'width=400px,height=250px,left=200px,top=165px,center=1,resize=1,scrolling=1');       	
	        break
         case 9:
            divwin=dhtmlwindow.open('divbox', 'div', 'project2detailsdiv', '.', 'width=400px,height=250px,left=200px,top=165px,center=1,resize=1,scrolling=1');       	
			break
        case 10:
            divwin=dhtmlwindow.open('divbox', 'div', 'project3detailsdiv', '.', 'width=400px,height=250px,left=200px,top=165px,center=1,resize=1,scrolling=1');       	
			break                    
        case 11:
            divwin=dhtmlwindow.open('divbox', 'div', 'project4detailsdiv', '.', 'width=400px,height=250px,left=200px,top=165px,center=1,resize=1,scrolling=1');       	
			break 
        case 12:
         	divwin=dhtmlwindow.open('divbox', 'div', 'project5detailsdiv', '.', 'width=400px,height=250px,left=200px,top=165px,center=1,resize=1,scrolling=1');       	
	        break
        case 13:
            divwin=dhtmlwindow.open('divbox', 'div', 'project6detailsdiv', '.', 'width=400px,height=250px,left=200px,top=165px,center=1,resize=1,scrolling=1');       	
			break
        case 14:
            divwin=dhtmlwindow.open('divbox', 'div', 'project7detailsdiv', '.', 'width=400px,height=250px,left=200px,top=165px,center=1,resize=1,scrolling=1');       	
			break                    
        case 15:
            divwin=dhtmlwindow.open('divbox', 'div', 'project8detailsdiv', '.', 'width=400px,height=250px,left=200px,top=165px,center=1,resize=1,scrolling=1');       	
			break                    
        case 16:
            divwin=dhtmlwindow.open('divbox', 'div', 'project9detailsdiv', '.', 'width=400px,height=250px,left=200px,top=165px,center=1,resize=1,scrolling=1');       	
			break 
      }     

 } 
 else 
 {
  divwin.close();     
 dark.style.display='none'; 
 
 }
 }