function menu_link(num)
{
	switch(num)

	{

	  case 1:window.location="about_us.htm" ;break;

	  case 11:window.location="history.htm" ;break;

	  case 12:window.location="quality.htm" ;break;

	  case 13:window.location="location.htm" ;break;

	  case 14:window.location="markets.htm" ;break;


	  case 2:window.location="product.htm" ;break;

	  case 21:window.location="precision.htm" ;break;

	  case 22:window.location="zeroleak.htm" ;break;

	  case 23:window.location="jiffytite/jiffy_home.htm" ;break;
	  
	 	  
	  case 3:window.location="capabilities.htm" ;break;

	  case 31:window.location="engineering.htm" ;break;

	  case 32:window.location="facilities.htm" ;break;

	  case 33:window.location="equipment.htm" ;break;

	  case 34:window.location="material.htm" ;break;


	  case 4:window.location="sales.htm" ;break;

	  case 41:window.location="rep.htm" ;break;

	  case 42:window.location="service.htm" ;break;

	  case 43:window.location="contact.htm" ;break;

	  case 44:window.location="careers.htm" ;break;
	  	  
	  
	}
}