function prd_details(page){
	window.open(page,'prd','width=560,height=600,scrollbar=no');
} 

function showNav(){
	if ( document.getElementById('snavOn').style.display=='' ){
		document.getElementById('snavOn').style.display='none';
		document.getElementById('snavOff').style.display='';
	}else{
		document.getElementById('snavOn').style.display='';
		document.getElementById('snavOff').style.display='none';
	}
	
}

function showDivTech(num){
	var oDivOk = document.getElementById('tech0'+num);
	if ( oDivOk != null ){
		for ( var i=1;i<=8;i++ ){
			var oDiv = document.getElementById('tech0'+i);
			if ( oDiv != null ){
				oDiv.style.display = 'none';
			}
		}
		oDivOk.style.display = '';
	}
}