function ValidateForm(form)
	{
		if (document.getElementById("Topic") != null) {
			if ((form.Topic.value=="0")) {
				if (document.getElementById)
					y = document.getElementById("inf_topic");
				else if (document.all)
					y = document.all["inf_topic"];
				else if (document.layers)
					y = document.layers["inf_topic"];
				y.innerHTML = "Please select topic";
				return false;	
			}	
		}
		if (document.getElementById("EMail")!= null) {
			if ((form.EMail.value.length==0) || (form.EMail.value==null)) {
				if (document.getElementById)
					x = document.getElementById("inf_email");
				else if (document.all)
					x = document.all["inf_email"];
				else if (document.layers)
					x = document.layers["inf_email"];
				x.innerHTML = "Please fill in your email address";
				return false;
			} else if (form.EMail.value.length>0) {
				apos=form.EMail.value.indexOf("@"); 
				dotpos=form.EMail.value.lastIndexOf(".");
				lastpos=form.EMail.value.length-1;
				if (apos<1 || dotpos-apos<2 || lastpos-dotpos>3 || lastpos-dotpos<2) 
				{
					if (document.getElementById)
						x = document.getElementById("inf_email");
					else if (document.all)
						x = document.all["inf_email"];
					else if (document.layers)
						x = document.layers["inf_email"];
					x.innerHTML = "Invalid Email";
					return false;
				}
			}
		}
		if (document.getElementById("Comment")!= null) {
			if ((form.Comment.value.length=="0") || (form.Comment.value==null)) {
				if (document.getElementById)
					y = document.getElementById("inf_comment");
				else if (document.all)
					y = document.all["inf_comment"];
				else if (document.layers)
					y = document.layers["inf_comment"];
				y.innerHTML = "Please fill in your comment";
				return false;	
			}
		}
	}		
	
	
	function uninst_ValidateForm(form)
	{
		if ((form.Topic.value=="0" && form.Comment.value=="")) {
			if (document.getElementById)
				y = document.getElementById("inf_topic");
			else if (document.all)
				y = document.all["inf_topic"];
			else if (document.layers)
				y = document.layers["inf_topic"];
			y.innerHTML = "Please fill in at least one field";
			return false;	
		}
	}