function initRollOverImages() {  
    var image_cache = new Object();  
    $("#globalNavi a img").not("[src*='_o.']").each(function(i) {  
        var imgsrc = this.src;  
        var dot = this.src.lastIndexOf('.');  
        var imgsrc_on = this.src.substr(0, dot) + '_o' + this.src.substr(dot, 4);  
        image_cache[this.src] = new Image();  
        image_cache[this.src].src = imgsrc_on;  
        $(this).hover(  
            function() { this.src = imgsrc_on; },  
            function() { this.src = imgsrc; }  
        );  
    });  

    var image_cache = new Object();  
    $("#localNavi a img").not("[src*='_o.']").each(function(i) {  
        var imgsrc = this.src;  
        var dot = this.src.lastIndexOf('.');  
        var imgsrc_on = this.src.substr(0, dot) + '_o' + this.src.substr(dot, 4);  
        image_cache[this.src] = new Image();  
        image_cache[this.src].src = imgsrc_on;  
        $(this).hover(  
            function() { this.src = imgsrc_on; },  
            function() { this.src = imgsrc; }  
        );  
    });  

    var image_cache = new Object();  
    $(".serviceLink a img").not("[src*='_o.']").each(function(i) {  
        var imgsrc = this.src;  
        var dot = this.src.lastIndexOf('.');  
        var imgsrc_on = this.src.substr(0, dot) + '_o' + this.src.substr(dot, 4);  
        image_cache[this.src] = new Image();  
        image_cache[this.src].src = imgsrc_on;  
        $(this).hover(  
            function() { this.src = imgsrc_on; },  
            function() { this.src = imgsrc; }  
        );  
    });  

    var image_cache = new Object();  
    $(".resultsLink a img").not("[src*='_o.']").each(function(i) {  
        var imgsrc = this.src;  
        var dot = this.src.lastIndexOf('.');  
        var imgsrc_on = this.src.substr(0, dot) + '_o' + this.src.substr(dot, 4);  
        image_cache[this.src] = new Image();  
        image_cache[this.src].src = imgsrc_on;  
        $(this).hover(  
            function() { this.src = imgsrc_on; },  
            function() { this.src = imgsrc; }  
        );  
    });  

    var image_cache = new Object();  
    $(".caseDetailsLink a img").not("[src*='_o.']").each(function(i) {  
        var imgsrc = this.src;  
        var dot = this.src.lastIndexOf('.');  
        var imgsrc_on = this.src.substr(0, dot) + '_o' + this.src.substr(dot, 4);  
        image_cache[this.src] = new Image();  
        image_cache[this.src].src = imgsrc_on;  
        $(this).hover(  
            function() { this.src = imgsrc_on; },  
            function() { this.src = imgsrc; }  
        );  
    });  

    var image_cache = new Object();  
    $(".philosophyLink a img").not("[src*='_o.']").each(function(i) {  
        var imgsrc = this.src;  
        var dot = this.src.lastIndexOf('.');  
        var imgsrc_on = this.src.substr(0, dot) + '_o' + this.src.substr(dot, 4);  
        image_cache[this.src] = new Image();  
        image_cache[this.src].src = imgsrc_on;  
        $(this).hover(  
            function() { this.src = imgsrc_on; },  
            function() { this.src = imgsrc; }  
        );  
    });  

    var image_cache = new Object();  
    $(".useResource a img").not("[src*='_o.']").each(function(i) {  
        var imgsrc = this.src;  
        var dot = this.src.lastIndexOf('.');  
        var imgsrc_on = this.src.substr(0, dot) + '_o' + this.src.substr(dot, 4);  
        image_cache[this.src] = new Image();  
        image_cache[this.src].src = imgsrc_on;  
        $(this).hover(  
            function() { this.src = imgsrc_on; },  
            function() { this.src = imgsrc; }  
        );  
    });  

    var image_cache = new Object();  
    $("#footer ul a img").not("[src*='_o.']").each(function(i) {  
        var imgsrc = this.src;  
        var dot = this.src.lastIndexOf('.');  
        var imgsrc_on = this.src.substr(0, dot) + '_o' + this.src.substr(dot, 4);  
        image_cache[this.src] = new Image();  
        image_cache[this.src].src = imgsrc_on;  
        $(this).hover(  
            function() { this.src = imgsrc_on; },  
            function() { this.src = imgsrc; }  
        );  
    });  

}  

$(document).ready(initRollOverImages);