// JavaScript Document

function showdeadcenterdiv(Xwidth,Yheight,divid) { 
            
            // First, determine how much the visitor has scrolled 
            var scrolledX, scrolledY; 
            if( self.pageYOffset ) { 
            scrolledX = self.pageXOffset; 
            scrolledY = self.pageYOffset; 
            } else if( document.documentElement && document.documentElement.scrollTop ) { 
            scrolledX = document.documentElement.scrollLeft; 
            scrolledY = document.documentElement.scrollTop; 
            } else if( document.body ) { 
            scrolledX = document.body.scrollLeft; 
            scrolledY = document.body.scrollTop; 
            } 

            // Next, determine the coordinates of the center of browser's window 
            var centerX, centerY; 
            if( self.innerHeight ) { 
            centerX = self.innerWidth; 
            centerY = self.innerHeight; 
            } else if( document.documentElement && document.documentElement.clientHeight ) { 
            centerX = document.documentElement.clientWidth; 
            centerY = document.documentElement.clientHeight; 
            } else if( document.body ) { 
            centerX = document.body.clientWidth; 
            centerY = document.body.clientHeight; 
            } 
            
            // Xwidth is the width of the div, Yheight is the height of the 
            // div passed as arguments to the function: 
            var leftOffset = scrolledX + (centerX - Xwidth) / 2; 
            var topOffset = scrolledY + (centerY - Yheight) / 2; 
            

            // The initial width and height of the div can be set in the 
            // style sheet with display:none; divid is passed as an argument to // the function 
            var sdiv=document.getElementById(divid); 
            var sstyle=sdiv.style; 
            sstyle.position='absolute'; 
            sstyle.top = (topOffset - 10) + 'px'; 
            sstyle.left = leftOffset + 'px';
            sstyle.width =  Xwidth + 'px';
            sstyle.height = Yheight + 'px';
            sstyle.display = "block"; 
            
            } 
    
function OpenScreenshot(Site, Width, Height) 
		    {
		        
		        showdeadcenterdiv(Width,Height,'screenshot-div');
		        
		        var sframe=document.getElementById('screenshot-frame'); 
                sframe.width =  '100%';
                sframe.height = (Height - 20) + 'px';
                sframe.src  = Site; 
		        
		    }
		    
function CloseScreenshot() 
		    {
		        
		        var o=document.getElementById('screenshot-div'); 
                o.style.display = "none";
				
				var sframe=document.getElementById('screenshot-frame'); 
                sframe.src  = ''; 
		        
		    }