// JavaScript Document
function get_random()
{
    var ranNum= Math.floor(Math.random()*13);
	
	return ranNum;
}

function tech()
{	
   var techrand=get_random();

    var tec=new Array(13)
     tec[0]='<img src="slide/dreamstime_613295.jpg">';
     tec[1]='<img src="slide/dreamstime_979126.jpg">';
     tec[2]='<img src="slide/iStock_000000083088XSmall.jpg">';   
	 tec[3]='<img src="slide/iStock_000001339870XSmall.jpg">'; 
	 tec[4]='<img src="slide/iStock_000002400240XSmall.jpg">';  
  	 tec[5]='<img src="slide/iStock_000002496522XSmall.jpg">';  
	 tec[6]='<img src="slide/iStock_000002549222XSmall.jpg">';  
	 tec[7]='<img src="slide/iStock_000002773809XSmall.jpg">';  
	 tec[8]='<img src="slide/iStock_000002799064XSmall.jpg">';  
	 tec[9]='<img src="slide/iStock_000003576437XSmall.jpg">';  
     tec[10]='<img src="slide/iStock_000003607486XSmall.jpg">';  
	 tec[11]='<img src="slide/iStock_000003694286XSmall.jpg">';  
	 tec[12]='<img src="slide/iStock_000000784409XSmall.jpg">';  
   
   document.write(tec[techrand]);
  }