// JavaScript Document

	function ShowHideBox (boxID)
	{
		if (document.getElementById(boxID).style.visibility == "visible")
		{
			document.getElementById(boxID).style.visibility = "hidden";
		}
		else
		{
			document.getElementById(boxID).style.visibility = "visible";
		}
	}


	function ShowTab (tabID, spanID, cols)
	{
		for (cont = 1; cont <=cols; cont++)
		{
			var tabnumber = 'tab0' + cont;
			var secnumber = 'section0' + cont;
			var asel = 'atab0' + cont;
			
			document.getElementById(tabnumber).style.visibility = "hidden";
			document.getElementById(secnumber).className = "";
			document.getElementById(asel).className = "";			
		}
		
		var aSelected = 'a' + tabID;
		
		document.getElementById(tabID).style.visibility = "visible";
		document.getElementById(spanID).className = "current-section";
		document.getElementById(aSelected).className = "selected";
	}


	function CurrentTab (anchorID)
	{

		for (cont = 1; cont <=7; cont++)
		{
			var secnumber = 'section0' + cont;
			document.getElementById(secnumber).className = "";
		}

		document.getElementById(anchorID).className = "current-section";
	}

/*
 * Image preview script 
 * powered by jQuery (http://www.jquery.com)
 * 
 * written by Alen Grakalic (http://cssglobe.com)
 * 
 * for more info visit http://cssglobe.com/post/1695/easiest-tooltip-and-image-preview-using-jquery
 *
 */
 
this.imagePreview = function(){	
	/* CONFIG */
		
		xOffset = 10;
		yOffset = 10;
		
		// these 2 variable determine popup's distance from the cursor
		// you might want to adjust to get the right result
		
	/* END CONFIG */
	$("a.preview").hover(function(e){
		this.t = this.title;
		this.title = "";	
		var c = (this.t != "") ? "<br/>" + this.t : "";
		$("body").append("<p id='preview'><img src='"+ this.href +"' alt='Image preview' />"+ c +"</p>");								 
		$("#preview")
			.css("top",(e.pageY - xOffset) + "px")
			.css("left",(e.pageX + yOffset) + "px")
			.fadeIn("fast");						
    },
	function(){
		this.title = this.t;	
		$("#preview").remove();
    });	
	$("a.preview").mousemove(function(e){
		$("#preview")
			.css("top",(e.pageY - xOffset) + "px")
			.css("left",(e.pageX + yOffset) + "px");
	});			
};


function chat() {
    var chat_url = 'http://www.cadinternational.com/cadinternational/cadchat/';
    window.open(chat_url,'guest','width=590,height=500,resizable=0,scrollbar=yes');
}