var t = 1;
delta_t = 5;
var myimages = new Array();
var nav_button_width = 107;
var nav_button_height = 33;

function preloading(){
	
	
for (x=0; x<preloading.arguments.length; x++){
	myimages[x] = new Image(nav_button_width,nav_button_height);
	myimages[x].src = preloading.arguments[x];
    }
 
}




function swap(img_name,img_src) {
  document.images[img_name].src = img_src;	
  
  return true;
} 


function timer(){
	
   t++;  
   t = t % 5;
   if(t==0)
      t = 5;
      
   swap('course_gallery',"images/courses/courses"+t.toString()+".jpg");   
   
     	
	
	
}    	

function hide_text(obj){
	
var e1 = document.getElementById(obj);
   if (e1.style.display == "block")
        e1.style.display = "none";
        	
	
}

function show_all(num_classes){
	
	var elts = new Array(num_classes);
	for(i=0;i<num_classes;i++){
	    elts[i] = document.getElementById("coursetext"+(i+1));
	    elts[i].style.display="block";
	}
	
	
	    
}



function hide_all(num_classes){
	
	var elts = new Array(num_classes);
	for(i=0;i<num_classes;i++){
	    elts[i] = document.getElementById("coursetext"+(i+1));
	    elts[i].style.display="none";
	}
	
	
}
function switch_text(obj) {
	var el = document.getElementById(obj);
	if ( el.style.display == "none" ) {
		el.style.display = "block";
	}
	else {
		el.style.display = "none";
	}
}

function print_me(div_text,div_name,div_stc)
{ 
	var disp_setting="toolbar=yes,location=no,directories=yes,menubar=yes,"; 
		    disp_setting+="scrollbars=yes,width=650, height=600, left=100, top=25"; 
		var crs_desc = document.getElementById(div_text).innerHTML;
		var crs_name = document.getElementById(div_name).innerHTML; 
		var crs_stc = document.getElementById(div_stc).innerHTML;
		
		var docprint=window.open("","",disp_setting); 
		    docprint.document.open();
		    docprint.document.write('<html><head><title>Custom Training Course:  ');
		    docprint.document.write(crs_name);
		    docprint.document.write('</title>'); 
			docprint.document.write('</head><body onLoad="self.print()">');  
			docprint.document.write('<center><img src="images/CourseHtml_top.jpg" width="786" height="120"></center>');
			docprint.document.write('<center><font size="+2" face="Arial, Helvetica, sans-serif"><strong><u>');
			docprint.document.write(crs_name);
			docprint.document.write('</u></strong></font></center><br>');
			docprint.document.write('<center><strong><font size="+1" face="Arial, Helvetica, sans-serif">');
			docprint.document.write(crs_stc);
			docprint.document.write('</font></strong></center>');
			docprint.document.write('<font face="Arial, Helvetica, sans-serif">');docprint.document.write('<h2>');
			docprint.document.write(crs_desc);docprint.document.write('</h2>');
			docprint.document.write('<br><br>');
			docprint.document.write('<font size="+2" face="Arial, Helvetica, sans-serif">');
			docprint.document.write('<center>For more information about this course<br>contact Custom Training at<br>(858) 272-3530</font></center><br>');
			docprint.document.write('&nbsp;');
			docprint.document.write('<center><img src="images/CourseHtml_bottom.jpg" width="786" height="120"></center>');
        
			
			       
			docprint.document.write('</body></html>'); 
			docprint.document.close(); 
}

