
	//my modal thing
	
	function modalShow(element) {
		box = document.getElementById(element);
		modalControl(true, box);
	}
	
	function modalHide(element) {
		box = document.getElementById(element);
		modalControl(false, box);
	}
	
	function modalControl(vis, modal, options) {
	  // 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 || 70;
	  var opaque = (opacity / 100);
	  var bgcolor = options.bgcolor || '#000000';
	  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.opacity=0;                      
	    dark.style.MozOpacity=0;                   
	    dark.style.filter='alpha(opacity=0)';
	
	    dark.style.zIndex=zindex;        
	    dark.style.backgroundColor=bgcolor;  
	    dark.style.width= pageWidth;
	    dark.style.height= pageHeight;
	    dark.style.display='block';      
		
		modalBox = modal;
		global_opacity = opacity;
	    intervalId = setInterval("fadeIn(modalBox,'darkenScreenObject',counter,global_opacity)",30);             
		
	  } else {
	    modalBox = modal;
		hideModal(modal);
	    intervalId = setInterval("fadeOut(modalBox,'darkenScreenObject')",20);
	  }
	}
	
	var modalBox;
	var global_opacity;
	var counter = 0;
	
	function fadeIn (modal,id,start,end) {
		element = document.getElementById(id);
		element.style.opacity = start/100;                    
	    element.style.MozOpacity= start/100;                   
	    element.style.filter='alpha(opacity='+start+')';

		counter += 8;
		if (start >= end) {
			clearInterval(intervalId);
			showModal(modal);
		}
	}
	
	function fadeOut (modal, id) {
			element = document.getElementById(id);
			element.style.opacity = counter/100;                    
		    element.style.MozOpacity= counter/100;                   
		    element.style.filter='alpha(opacity='+counter+')';

			counter -= 8;
			if (counter <= 0) {
				clearInterval(intervalId);
				counter = 0;
				element.style.display= "none";
			}
	}
	
	function showModal (modal) {
		modal.style.display = "block";
	}
	
	function hideModal (modal) {	
		modal.style.display = "none";
	}
	
	function update () {
		var dark;
		if (document.getElementById('darkenScreenObject')) {
			dark = document.getElementById('darkenScreenObject');
		} else {
			return;
		}
		
		// 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%';
	    }
		
		
		dark.style.width= pageWidth;
	    dark.style.height= pageHeight;
		
		
		
	}
