function showCont(val) {

/* --------- sCRIPT fOR hILIGHT cOLOR ---------*/
	for(i=1;i<=3;i++) {
	document.getElementById("conttd"+i).className = "ar-link";
	document.getElementById("tech-link"+i).style.display = "none";
	} 
	document.getElementById("tech-pic").style.display = "none";
	document.getElementById("conttd"+val).className = "ar-link-h";
	document.getElementById("tech-link"+val).style.display = "block";
//	alert(val);
}
function showpic() {
	for(i=1;i<=3;i++) {
//	document.getElementById("conttd"+i).className = "linkable";
	document.getElementById("tech-link"+i).style.display = "none";
	} 
	document.getElementById("tech-pic").style.display = "block";
}
function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}