/*
 * Here is the random picture generator for the front page of the Large Lakes Observatory
 * webpage.
 *
 * 
 */

function generateRandom() {

//Generate a random image as well as an explanation

image = new Image();
text = new String();
num = 0;

text[num] = "The Research Vessel Blue Heron returns to Port"
image[num] = "<img class='randomimg' src='images/randompics/BH_small.jpg' alt='"+text[num++]+"'>"

text[num] = "The Research Vessel Blue Heron on Lake Superior (Groehler- UMD)"
image[num] = "<img class='randomimg' src='images/randompics/BH_air_sm.jpg' alt='"+text[num++]+"'>"

text[num] = "High-resolution multibeam bathymetry of Lake Hvitarvatn in Iceland"
image[num] = "<img class='randomimg' src='images/randompics/Lake-Hvitarvatn-mb_sm.jpg' alt='"+text[num++]+"'>"

text[num] = "High-resolution multibeam bathymetry of Reserve Mining tailings off of Silver Bay"
image[num] = "<img class='randomimg' src='images/randompics/tac_pic01_sm.jpg' alt='"+text[num++]+"'>"

text[num] = "Drilling platform recovering sediment from Lake Malawi, East Africa"
image[num] = "<img class='randomimg' src='images/randompics/airdrill2_sm.jpg' alt='"+text[num++]+"'>"

text[num] = "The GLAD 800 drill rig recovering sediment from Bear Lake, Utah/Idaho"
image[num] = "<img class='randomimg' src='images/randompics/GLAD_BL_sm.jpg' alt='"+text[num++]+"'>"

text[num] = "Tom Johnson (former director of LLO) and Steve Colman (current director of LLO) on the shore of Lake Qinghai, China"
image[num] = "<img class='randomimg' src='images/randompics/TJ_SC_Q_sm.jpg' alt='"+text[num++]+"'>"

text[num] = "Surface water temperature (celsius) and wind speed on Lake Superior, September 14th, 2003"
image[num] = "<img class='randomimg' src='images/randompics/LS_temp_ws_sm.jpg' alt='"+text[num++]+"'>"

text[num] = "Deploying an ROV from the Research Vessel Blue Heron"
image[num] = "<img class='randomimg' src='images/randompics/BHdeployROV.jpg' alt='"+text[num++]+"'>"

text[num] = "Sampling sediment in the Cariaco Basin"
image[num] = "<img class='randomimg' src='images/randompics/joe_orca2_sm.jpg' alt='"+text[num++]+"'>"

text[num] = "The Research Vessel Blue Heron passing under Duluth's Aerial Lift Bridge (Whittaker)"
image[num] = "<img class='randomimg' src='images/randompics/BHunderbridgesm.jpg' alt='"+text[num++]+"'>"

text[num] = "Piston coring on Lake Issyk Kul, Kyrgyzstan"
image[num] = "<img class='randomimg' src='images/randompics/pistoncoring_sm.jpg' alt='"+text[num++]+"'>"

text[num] = "Side-scan sonar image of the Harriet B, a wooden barge that sank south of Two Harbors, MN, in 1922"
image[num] = "<img class='randomimg' src='images/randompics/HarrietB_sm.jpg' alt='"+text[num++]+"'>"

text[num] = "Side-scan sonar image of the Thomas Wilson, a steel whaleback steamer that sank outside of Duluth's harbor in 1902"
image[num] = "<img class='randomimg' src='images/randompics/Wilson1904_sm.jpg' alt='"+text[num++]+"'>"

text[num] = "Ice on Lake Superior"
image[num] = "<img class='randomimg' src='images/randompics/Superiorice_sm.jpg' alt='"+text[num++]+"'>"

text[num] = "LLO's first two Directors inspect a potential new research vessel"
image[num] = "<img class='randomimg' src='images/randompics/Corny_boat_sm.jpg' alt='"+text[num++]+"'>"


//add additional pics here




inc = Math.floor(Math.random() * num);
document.write(image[inc]);
document.write('<br /><span class="caption">' + text[inc] + '</span>');

}