<!-- 
	function ShowLayer(id, flag){
		if(flag){
			if(id=='overview'){
				document.getElementById('overview').style.display='block'
				document.getElementById('specifications').style.display='none'
				document.getElementById('order').style.display='none'
				document.getElementById('brochure').style.display='none'
				
			}
			else if(id=='specifications'){
				document.getElementById('overview').style.display='none'
				document.getElementById('specifications').style.display='block'
				document.getElementById('order').style.display='none' 
				document.getElementById('brochure').style.display='none'
			}
			else if(id=='order'){
				document.getElementById('overview').style.display='none'
				document.getElementById('specifications').style.display='none'
				document.getElementById('order').style.display='block' 
				document.getElementById('brochure').style.display='none'

			}
				
			else if(id=='brochure'){
				document.getElementById('overview').style.display='none'
				document.getElementById('specifications').style.display='none'
				document.getElementById('order').style.display='none'
				document.getElementById('brochure').style.display='block' 

			}
			return
		}
		
		changeOpac(0, 'product1')
		changeOpac(0, 'product2')
		changeOpac(0, 'product3')
		changeOpac(0, 'product4')

		
		if(id=='product1'){
			document.getElementById('product1').style.display='block'
			document.getElementById('product2').style.display='none'
			document.getElementById('product3').style.display='none'
			document.getElementById('product4').style.display='none'

			
		}						
		else if(id=='product2'){
			document.getElementById('product1').style.display='none'
			document.getElementById('product2').style.display='block'
			document.getElementById('product3').style.display='none'	
			document.getElementById('product4').style.display='none'		
		}
		else if(id=='product3'){
			document.getElementById('product1').style.display='none'
			document.getElementById('product2').style.display='none'
			document.getElementById('product3').style.display='block'
			document.getElementById('product4').style.display='none'
		}
		
				else if(id=='product4'){
			document.getElementById('product1').style.display='none'
			document.getElementById('product2').style.display='none'
			document.getElementById('product3').style.display='none'
			document.getElementById('product4').style.display='block'
		}
		
	
		opacity(id, 0, 100, 1000);
		
	}
	
	function changeOpac(opacity, id) {
		var object = document.getElementById(id).style;
		object.opacity = (opacity / 100);
		object.MozOpacity = (opacity / 100);
		object.KhtmlOpacity = (opacity / 100);
		object.filter = "alpha(opacity=" + opacity + ")";
	}
	
	function opacity(id, opacStart, opacEnd, millisec) {
	    var speed = Math.round(millisec / 100);
    	var timer = 0;

	    if(opacStart > opacEnd) {
        	for(i = opacStart; i >= opacEnd; i--) {
            	setTimeout("changeOpac(" + i + ",'" + id + "')",(timer * speed));
	            timer++;
    	    }
	    } 
		
		else if(opacStart < opacEnd) {
        	for(i = opacStart; i <= opacEnd; i++){
	            setTimeout("changeOpac(" + i + ",'" + id + "')",(timer * speed));
    	        timer++;
        	}
	    }
	} 


-->