// ------------------------------------------------------------------- // ws_utils.js - Watershed Utilities // Last updated: August 30th, 2007 // ------------------------------------------------------------------- // loadLocators function used to preload all the watershed locator images // calls the image constructor and set src property causing images to pre-load // - add onLoad="loadLocators()" to tag function loadLocators() { this.locator_map = new Image(); locator_map.src = "images/locators/altamaha.png"; locator_map.src = "images/locators/apalachicola.png"; locator_map.src = "images/locators/arkansas.png"; locator_map.src = "images/locators/atchafalaya.png"; locator_map.src = "images/locators/biloxi.png"; locator_map.src = "images/locators/black.png"; locator_map.src = "images/locators/brazos.png"; locator_map.src = "images/locators/calcasieu.png"; locator_map.src = "images/locators/caloosahatchee.png"; locator_map.src = "images/locators/capefear.png"; locator_map.src = "images/locators/chehalis.png"; locator_map.src = "images/locators/chesapeake.png"; locator_map.src = "images/locators/cheyenne.png"; locator_map.src = "images/locators/choctawhatchee.png"; locator_map.src = "images/locators/chowan.png"; locator_map.src = "images/locators/colorado.png"; locator_map.src = "images/locators/coloradotx.png"; locator_map.src = "images/locators/columbia.png"; locator_map.src = "images/locators/connecticut.png"; locator_map.src = "images/locators/delaware.png"; locator_map.src = "images/locators/edisto.png"; locator_map.src = "images/locators/eel.png"; locator_map.src = "images/locators/escambia.png"; locator_map.src = "images/locators/everglades.png"; locator_map.src = "images/locators/gavinspt.png"; locator_map.src = "images/locators/greatbasin.png"; locator_map.src = "images/locators/greatlakes.png"; locator_map.src = "images/locators/hudson.png"; locator_map.src = "images/locators/kansas.png"; locator_map.src = "images/locators/kennebec.png"; locator_map.src = "images/locators/klamath.png"; locator_map.src = "images/locators/lakechamplain.png"; locator_map.src = "images/locators/merrimack.png"; locator_map.src = "images/locators/mississippi.png"; locator_map.src = "images/locators/missouri.png"; locator_map.src = "images/locators/mobile.png"; locator_map.src = "images/locators/navidad.png"; locator_map.src = "images/locators/neuse.png"; locator_map.src = "images/locators/nueces.png"; locator_map.src = "images/locators/ochlockonee.png"; locator_map.src = "images/locators/ogeechee.png"; locator_map.src = "images/locators/ohio.png"; locator_map.src = "images/locators/pajaro.png"; locator_map.src = "images/locators/pamlico.png"; locator_map.src = "images/locators/pascagoula.png"; locator_map.src = "images/locators/peace.png"; locator_map.src = "images/locators/pearl.png"; locator_map.src = "images/locators/peedee.png"; locator_map.src = "images/locators/penobscot.png"; locator_map.src = "images/locators/platte.png"; locator_map.src = "images/locators/pugetsound.png"; locator_map.src = "images/locators/rainy.png"; locator_map.src = "images/locators/red.png"; locator_map.src = "images/locators/redriver.png"; locator_map.src = "images/locators/riogrande.png"; locator_map.src = "images/locators/roanoke.png"; locator_map.src = "images/locators/rogue.png"; locator_map.src = "images/locators/sabine.png"; locator_map.src = "images/locators/sacrasan.png"; locator_map.src = "images/locators/saintjohn.png"; locator_map.src = "images/locators/saintjohns.png"; locator_map.src = "images/locators/salinas.png"; locator_map.src = "images/locators/sanfranciscobay.png"; locator_map.src = "images/locators/sangabriel.png"; locator_map.src = "images/locators/santamaria.png"; locator_map.src = "images/locators/santaynez.png"; locator_map.src = "images/locators/santee.png"; locator_map.src = "images/locators/satilla.png"; locator_map.src = "images/locators/savannah.png"; locator_map.src = "images/locators/souris.png"; locator_map.src = "images/locators/suwannee.png"; locator_map.src = "images/locators/tampabay.png"; locator_map.src = "images/locators/trinity.png"; locator_map.src = "images/locators/umpqua.png"; locator_map.src = "images/locators/waccamaw.png"; locator_map.src = "images/locators/withlacoochee.png"; locator_map.src = "images/locators/yellow.png"; locator_map.src = "images/locators/yellowstone.png"; } // SwapChars function used to swap out characteristics images and titles inside the individual // watershed pages function SwapChars(title,name,char) { var charTitle = document.getElementById("char_title"); charTitle.innerHTML = title; var charImage = document.getElementById("ws_chars"); charImage.src='http://edna.usgs.gov/watersheds/sheds/'+name+'/images/'+name+'_'+char+'.png'; charImage.alt=title; }